diff --git a/RMuseum/Controllers/ArtifactController.cs b/RMuseum/Controllers/ArtifactController.cs
index 332fb979..28463542 100644
--- a/RMuseum/Controllers/ArtifactController.cs
+++ b/RMuseum/Controllers/ArtifactController.cs
@@ -1091,37 +1091,7 @@ namespace RMuseum.Controllers
         public async Task<IActionResult> Import(string srcType, string resourceNumber, string friendlyUrl, string resourcePrefix)
         {
             RServiceResult<bool> res =
-                srcType == "princeton" ?
-                await _artifactService.StartImportingFromPrinceton(resourceNumber, friendlyUrl)
-                :
-                srcType == "harvard" ?
-                await _artifactService.StartImportingFromHarvard(resourceNumber, friendlyUrl)
-                :
-                 srcType == "qajarwomen" ?
-                await _artifactService.StartImportingFromHarvardDirectly(resourceNumber, friendlyUrl, resourcePrefix)
-                :
-                 srcType == "hathitrust" ?
-                await _artifactService.StartImportingFromHathiTrust(resourceNumber, friendlyUrl)
-                :
-                srcType == "penn" ?
-                await _artifactService.StartImportingFromPenLibraries(resourceNumber, friendlyUrl)
-                :
-                srcType == "cam" ?
-                await _artifactService.StartImportingFromCambridge(resourceNumber, friendlyUrl)
-                :
-                srcType == "bl" ?
-                await _artifactService.StartImportingFromBritishLibrary(resourceNumber, friendlyUrl)
-                :
-                srcType == "folder" ?
-                await _artifactService.StartImportingFromServerFolder(resourceNumber, friendlyUrl, resourcePrefix)
-                :
-                srcType == "walters" ?
-                await _artifactService.StartImportingFromWalters(resourceNumber, friendlyUrl)
-                 :
-                srcType == "cbl" ?
-                await _artifactService.StartImportingFromChesterBeatty(resourceNumber, friendlyUrl)
-                :
-                await _artifactService.StartImportingFromTheLibraryOfCongress(resourceNumber, friendlyUrl, resourcePrefix);
+                await _artifactService.Import(srcType, resourceNumber, friendlyUrl, resourcePrefix);
             if (res.Result)
                 return Ok();
             return BadRequest(res.ExceptionString);
diff --git a/RMuseum/RMuseum.xml b/RMuseum/RMuseum.xml
index 45f437d6..e4c9cb5e 100644
--- a/RMuseum/RMuseum.xml
+++ b/RMuseum/RMuseum.xml
@@ -2485,106 +2485,14 @@
             <param name="stream"></param>
             <returns></returns>
         </member>
-        <member name="M:RMuseum.Services.IArtifactService.StartImportingFromTheLibraryOfCongress(System.String,System.String,System.String)">
+        <member name="M:RMuseum.Services.IArtifactService.Import(System.String,System.String,System.String,System.String)">
             <summary>
-            for now it only supports https://www.loc.gov
-            </summary>
-            <param name="resourceNumber">
-            <example>
-            m084
-            </example>
-            </param>
-            <param name="fiendlyUrl">
-            <example>
-            boostan1207
-            </example>
-            </param>
-            <param name="resourcePrefix"></param>
-            <example>
-            plmp
-            </example>
-            <returns></returns>
-        </member>
-        <member name="M:RMuseum.Services.IArtifactService.StartImportingFromPrinceton(System.String,System.String)">
-            <summary>
-            from http://pudl.princeton.edu/
-            </summary>
-            <param name="resourceNumber">dj52w476m</param>
-            <param name="friendlyUrl"></param>
-            <returns></returns>
-        </member>
-        <member name="M:RMuseum.Services.IArtifactService.StartImportingFromHarvard(System.String,System.String)">
-            <summary>
-            from https://curiosity.lib.harvard.edu
-            </summary>
-            <param name="url">example: https://curiosity.lib.harvard.edu/islamic-heritage-project/catalog/40-990114893240203941</param>
-            <param name="friendlyUrl"></param>
-            <returns></returns>
-        </member>
-        <member name="M:RMuseum.Services.IArtifactService.StartImportingFromHarvardDirectly(System.String,System.String,System.String)">
-            <summary>
-            import from http://www.qajarwomen.org
-            </summary>
-            <param name="hardvardResourceNumber">43117279</param>
-            <param name="friendlyUrl">atame</param>
-            <param name="srcUrl">http://www.qajarwomen.org/fa/items/1018A10.html</param>
-            <returns></returns>
-        </member>
-        <member name="M:RMuseum.Services.IArtifactService.StartImportingFromHathiTrust(System.String,System.String)">
-            <summary>
-            from https://catalog.hathitrust.org
-            </summary>
-            <param name="resourceNumber">006814127</param>
-            <param name="friendlyUrl"></param>
-            <returns></returns>
-        </member>
-        <member name="M:RMuseum.Services.IArtifactService.StartImportingFromPenLibraries(System.String,System.String)">
-            <summary>
-            from http://www.library.upenn.edu/
-            </summary>
-            <param name="resourceNumber">MEDREN_9949222153503681</param>
-            <param name="friendlyUrl"></param>
-            <returns></returns>
-        </member>
-        <member name="M:RMuseum.Services.IArtifactService.StartImportingFromCambridge(System.String,System.String)">
-            <summary>
-            from http://cudl.lib.cam.ac.uk
-            </summary>
-            <param name="resourceNumber">MS-RAS-00258</param>
-            <param name="friendlyUrl"></param>
-            <returns></returns>
-        </member>
-        <member name="M:RMuseum.Services.IArtifactService.StartImportingFromBritishLibrary(System.String,System.String)">
-            <summary>
-            from http://www.bl.uk
-            </summary>
-            <param name="resourceNumber">grenville_xli_f001r</param>
-            <param name="friendlyUrl"></param>
-            <returns></returns>
-        </member>
-        <member name="M:RMuseum.Services.IArtifactService.StartImportingFromServerFolder(System.String,System.String,System.String)">
-            <summary>
-            import from server folder
-            </summary>
-            <param name="folderPath">C:\Tools\batches\florence</param>
-            <param name="friendlyUrl">shahname-florence</param>
-            <param name="srcUrl">https://t.me/dr_khatibi_abolfazl/888</param>
-            <returns></returns>
-        </member>
-        <member name="M:RMuseum.Services.IArtifactService.StartImportingFromWalters(System.String,System.String)">
-            <summary>
-            from http://www.thedigitalwalters.org/01_ACCESS_WALTERS_MANUSCRIPTS.html
-            </summary>
-            <param name="resourceNumber">W619</param>
-            <param name="friendlyUrl">golestan-walters-01</param>
-            <returns></returns>
-        </member>
-        <member name="M:RMuseum.Services.IArtifactService.StartImportingFromChesterBeatty(System.String,System.String)">
-            <summary>
-            import from https://viewer.cbl.ie
+            import from external resources
             </summary>
+            <param name="srcType">loc/princeton/harvard/qajarwomen/hathitrust/penn/cam/bl/folder/walters/cbl</param>
             <param name="resourceNumber">119</param>
             <param name="friendlyUrl">golestan-baysonghori</param>
+            <param name="resourcePrefix"></param>
             <returns></returns>
         </member>
         <member name="M:RMuseum.Services.IArtifactService.RescheduleJobs">
@@ -3099,6 +3007,16 @@
             <param name="stream"></param>
             <returns></returns>
         </member>
+        <member name="M:RMuseum.Services.Implementation.ArtifactService.Import(System.String,System.String,System.String,System.String)">
+            <summary>
+            import from external resources
+            </summary>
+            <param name="srcType">loc/princeton/harvard/qajarwomen/hathitrust/penn/cam/bl/folder/walters/cbl</param>
+            <param name="resourceNumber">119</param>
+            <param name="friendlyUrl">golestan-baysonghori</param>
+            <param name="resourcePrefix"></param>
+            <returns></returns>
+        </member>
         <member name="M:RMuseum.Services.Implementation.ArtifactService.StartImportingFromTheLibraryOfCongress(System.String,System.String,System.String)">
             <summary>
             from https://www.loc.gov
diff --git a/RMuseum/Services/IArtifactService.cs b/RMuseum/Services/IArtifactService.cs
index 65de007f..1d47d527 100644
--- a/RMuseum/Services/IArtifactService.cs
+++ b/RMuseum/Services/IArtifactService.cs
@@ -252,106 +252,14 @@ namespace RMuseum.Services
 
 
         /// <summary>
-        /// for now it only supports https://www.loc.gov
-        /// </summary>
-        /// <param name="resourceNumber">
-        /// <example>
-        /// m084
-        /// </example>
-        /// </param>
-        /// <param name="fiendlyUrl">
-        /// <example>
-        /// boostan1207
-        /// </example>
-        /// </param>
-        /// <param name="resourcePrefix"></param>
-        /// <example>
-        /// plmp
-        /// </example>
-        /// <returns></returns>
-        Task<RServiceResult<bool>> StartImportingFromTheLibraryOfCongress(string resourceNumber, string fiendlyUrl, string resourcePrefix);
-
-        /// <summary>
-        /// from http://pudl.princeton.edu/
-        /// </summary>
-        /// <param name="resourceNumber">dj52w476m</param>
-        /// <param name="friendlyUrl"></param>
-        /// <returns></returns>
-        Task<RServiceResult<bool>> StartImportingFromPrinceton(string resourceNumber, string friendlyUrl);
-
-        /// <summary>
-        /// from https://curiosity.lib.harvard.edu
-        /// </summary>
-        /// <param name="url">example: https://curiosity.lib.harvard.edu/islamic-heritage-project/catalog/40-990114893240203941</param>
-        /// <param name="friendlyUrl"></param>
-        /// <returns></returns>
-        Task<RServiceResult<bool>> StartImportingFromHarvard(string url, string friendlyUrl);
-
-        /// <summary>
-        /// import from http://www.qajarwomen.org
-        /// </summary>
-        /// <param name="hardvardResourceNumber">43117279</param>
-        /// <param name="friendlyUrl">atame</param>
-        /// <param name="srcUrl">http://www.qajarwomen.org/fa/items/1018A10.html</param>
-        /// <returns></returns>
-        Task<RServiceResult<bool>> StartImportingFromHarvardDirectly(string hardvardResourceNumber, string friendlyUrl, string srcUrl);
-
-        /// <summary>
-        /// from https://catalog.hathitrust.org
-        /// </summary>
-        /// <param name="resourceNumber">006814127</param>
-        /// <param name="friendlyUrl"></param>
-        /// <returns></returns>
-        Task<RServiceResult<bool>> StartImportingFromHathiTrust(string resourceNumber, string friendlyUrl);
-
-        /// <summary>
-        /// from http://www.library.upenn.edu/
-        /// </summary>
-        /// <param name="resourceNumber">MEDREN_9949222153503681</param>
-        /// <param name="friendlyUrl"></param>
-        /// <returns></returns>
-        Task<RServiceResult<bool>> StartImportingFromPenLibraries(string resourceNumber, string friendlyUrl);
-
-        /// <summary>
-        /// from http://cudl.lib.cam.ac.uk
-        /// </summary>
-        /// <param name="resourceNumber">MS-RAS-00258</param>
-        /// <param name="friendlyUrl"></param>
-        /// <returns></returns>
-        Task<RServiceResult<bool>> StartImportingFromCambridge(string resourceNumber, string friendlyUrl);
-
-        /// <summary>
-        /// from http://www.bl.uk
-        /// </summary>
-        /// <param name="resourceNumber">grenville_xli_f001r</param>
-        /// <param name="friendlyUrl"></param>
-        /// <returns></returns>
-        Task<RServiceResult<bool>> StartImportingFromBritishLibrary(string resourceNumber, string friendlyUrl);
-
-        /// <summary>
-        /// import from server folder
-        /// </summary>
-        /// <param name="folderPath">C:\Tools\batches\florence</param>
-        /// <param name="friendlyUrl">shahname-florence</param>
-        /// <param name="srcUrl">https://t.me/dr_khatibi_abolfazl/888</param>
-        /// <returns></returns>
-        Task<RServiceResult<bool>> StartImportingFromServerFolder(string folderPath, string friendlyUrl, string srcUrl);
-
-        /// <summary>
-        /// from http://www.thedigitalwalters.org/01_ACCESS_WALTERS_MANUSCRIPTS.html
-        /// </summary>
-        /// <param name="resourceNumber">W619</param>
-        /// <param name="friendlyUrl">golestan-walters-01</param>
-        /// <returns></returns>
-        Task<RServiceResult<bool>> StartImportingFromWalters(string resourceNumber, string friendlyUrl);
-
-        /// <summary>
-        /// import from https://viewer.cbl.ie
+        /// import from external resources
         /// </summary>
+        /// <param name="srcType">loc/princeton/harvard/qajarwomen/hathitrust/penn/cam/bl/folder/walters/cbl</param>
         /// <param name="resourceNumber">119</param>
         /// <param name="friendlyUrl">golestan-baysonghori</param>
+        /// <param name="resourcePrefix"></param>
         /// <returns></returns>
-        Task<RServiceResult<bool>> StartImportingFromChesterBeatty(string resourceNumber, string friendlyUrl);
+        Task<RServiceResult<bool>> Import(string srcType, string resourceNumber, string friendlyUrl, string resourcePrefix);
 
         /// <summary>
         /// reschedule jobs
diff --git a/RMuseum/Services/Implementation/ArtifactService.cs b/RMuseum/Services/Implementation/ArtifactService.cs
index 7f979c0b..f22de644 100644
--- a/RMuseum/Services/Implementation/ArtifactService.cs
+++ b/RMuseum/Services/Implementation/ArtifactService.cs
@@ -1339,6 +1339,50 @@ namespace RMuseum.Services.Implementation
                       
         }
 
+        /// <summary>
+        /// import from external resources
+        /// </summary>
+        /// <param name="srcType">loc/princeton/harvard/qajarwomen/hathitrust/penn/cam/bl/folder/walters/cbl</param>
+        /// <param name="resourceNumber">119</param>
+        /// <param name="friendlyUrl">golestan-baysonghori</param>
+        /// <param name="resourcePrefix"></param>
+        /// <returns></returns>
+        public async Task<RServiceResult<bool>> Import(string srcType, string resourceNumber, string friendlyUrl, string resourcePrefix)
+        {
+           return
+                srcType == "princeton" ?
+                await StartImportingFromPrinceton(resourceNumber, friendlyUrl)
+                :
+                srcType == "harvard" ?
+                await StartImportingFromHarvard(resourceNumber, friendlyUrl)
+                :
+                 srcType == "qajarwomen" ?
+                await StartImportingFromHarvardDirectly(resourceNumber, friendlyUrl, resourcePrefix)
+                :
+                 srcType == "hathitrust" ?
+                await StartImportingFromHathiTrust(resourceNumber, friendlyUrl)
+                :
+                srcType == "penn" ?
+                await StartImportingFromPenLibraries(resourceNumber, friendlyUrl)
+                :
+                srcType == "cam" ?
+                await StartImportingFromCambridge(resourceNumber, friendlyUrl)
+                :
+                srcType == "bl" ?
+                await StartImportingFromBritishLibrary(resourceNumber, friendlyUrl)
+                :
+                srcType == "folder" ?
+                await StartImportingFromServerFolder(resourceNumber, friendlyUrl, resourcePrefix)
+                :
+                srcType == "walters" ?
+                await StartImportingFromWalters(resourceNumber, friendlyUrl)
+                 :
+                srcType == "cbl" ?
+                await StartImportingFromChesterBeatty(resourceNumber, friendlyUrl)
+                :
+                await StartImportingFromTheLibraryOfCongress(resourceNumber, friendlyUrl, resourcePrefix);
+        }
+
 
 
         /// <summary>
@@ -1359,7 +1403,7 @@ namespace RMuseum.Services.Implementation
         /// plmp
         /// </example>
         /// <returns></returns>
-        public async Task<RServiceResult<bool>> StartImportingFromTheLibraryOfCongress(string resourceNumber, string friendlyUrl, string resourcePrefix)
+        private async Task<RServiceResult<bool>> StartImportingFromTheLibraryOfCongress(string resourceNumber, string friendlyUrl, string resourcePrefix)
         {
             string url = $"https://www.loc.gov/resource/{resourcePrefix}.{resourceNumber}/?fo=json&st=gallery";
 
@@ -1869,7 +1913,7 @@ namespace RMuseum.Services.Implementation
         /// <param name="resourceNumber">dj52w476m</param>
         /// <param name="friendlyUrl"></param>
         /// <returns></returns>
-        public async Task<RServiceResult<bool>> StartImportingFromPrinceton(string resourceNumber, string friendlyUrl)
+        private async Task<RServiceResult<bool>> StartImportingFromPrinceton(string resourceNumber, string friendlyUrl)
         {
             string url = $"http://pudl.princeton.edu/mdCompiler2.php?obj={resourceNumber}";
             if (
@@ -2323,7 +2367,7 @@ namespace RMuseum.Services.Implementation
         /// <param name="url">example: https://curiosity.lib.harvard.edu/islamic-heritage-project/catalog/40-990114893240203941</param>
         /// <param name="friendlyUrl"></param>
         /// <returns></returns>
-        public async Task<RServiceResult<bool>> StartImportingFromHarvard(string url, string friendlyUrl)
+        private async Task<RServiceResult<bool>> StartImportingFromHarvard(string url, string friendlyUrl)
         {
             try
             {
@@ -2789,7 +2833,7 @@ namespace RMuseum.Services.Implementation
         /// <param name="friendlyUrl">atame</param>
         /// <param name="srcUrl">http://www.qajarwomen.org/fa/items/1018A10.html</param>
         /// <returns></returns>
-        public async Task<RServiceResult<bool>> StartImportingFromHarvardDirectly(string hardvardResourceNumber, string friendlyUrl, string srcUrl)
+        private async Task<RServiceResult<bool>> StartImportingFromHarvardDirectly(string hardvardResourceNumber, string friendlyUrl, string srcUrl)
         {
             try
             {
@@ -2959,7 +3003,7 @@ namespace RMuseum.Services.Implementation
         /// <param name="resourceNumber">006814127</param>
         /// <param name="friendlyUrl"></param>
         /// <returns></returns>
-        public async Task<RServiceResult<bool>> StartImportingFromHathiTrust(string resourceNumber, string friendlyUrl)
+        private async Task<RServiceResult<bool>> StartImportingFromHathiTrust(string resourceNumber, string friendlyUrl)
         {
             string url = $"https://catalog.hathitrust.org/Record/{resourceNumber}.xml";
             if (
@@ -3454,7 +3498,7 @@ namespace RMuseum.Services.Implementation
         /// <param name="resourceNumber">MEDREN_9949222153503681</param>
         /// <param name="friendlyUrl"></param>
         /// <returns></returns>
-        public async Task<RServiceResult<bool>> StartImportingFromPenLibraries(string resourceNumber, string friendlyUrl)
+        private async Task<RServiceResult<bool>> StartImportingFromPenLibraries(string resourceNumber, string friendlyUrl)
         {
             string url = $"http://dla.library.upenn.edu/dla/medren/pageturn.html?id={resourceNumber}&rotation=0&size=0";
             if (
@@ -3932,7 +3976,7 @@ namespace RMuseum.Services.Implementation
         /// <param name="resourceNumber">MS-RAS-00258</param>
         /// <param name="friendlyUrl"></param>
         /// <returns></returns>
-        public async Task<RServiceResult<bool>> StartImportingFromCambridge(string resourceNumber, string friendlyUrl)
+        private async Task<RServiceResult<bool>> StartImportingFromCambridge(string resourceNumber, string friendlyUrl)
         {
             string url = $"http://cudl.lib.cam.ac.uk/view/{resourceNumber}.json";
             if (
@@ -4379,7 +4423,7 @@ namespace RMuseum.Services.Implementation
         /// <param name="resourceNumber">grenville_xli_f001r</param>
         /// <param name="friendlyUrl"></param>
         /// <returns></returns>
-        public async Task<RServiceResult<bool>> StartImportingFromBritishLibrary(string resourceNumber, string friendlyUrl)
+        private async Task<RServiceResult<bool>> StartImportingFromBritishLibrary(string resourceNumber, string friendlyUrl)
         {
             string url = $"http://www.bl.uk/manuscripts/Viewer.aspx?ref={resourceNumber}";
             if (
@@ -5060,7 +5104,7 @@ namespace RMuseum.Services.Implementation
         /// <param name="friendlyUrl">shahname-florence</param>
         /// <param name="srcUrl">https://t.me/dr_khatibi_abolfazl/888</param>
         /// <returns></returns>
-        public async Task<RServiceResult<bool>> StartImportingFromServerFolder(string folderPath, string friendlyUrl, string srcUrl)
+        private async Task<RServiceResult<bool>> StartImportingFromServerFolder(string folderPath, string friendlyUrl, string srcUrl)
         {
             try
             {
@@ -5305,7 +5349,7 @@ namespace RMuseum.Services.Implementation
         /// <param name="resourceNumber">W619</param>
         /// <param name="friendlyUrl">golestan-walters-01</param>
         /// <returns></returns>
-        public async Task<RServiceResult<bool>> StartImportingFromWalters(string resourceNumber, string friendlyUrl)
+        private async Task<RServiceResult<bool>> StartImportingFromWalters(string resourceNumber, string friendlyUrl)
         {
             string url = $"http://www.thedigitalwalters.org/Data/WaltersManuscripts/ManuscriptDescriptions/{resourceNumber}_tei.xml";
             if (
@@ -5768,7 +5812,7 @@ namespace RMuseum.Services.Implementation
         /// <param name="resourceNumber">119</param>
         /// <param name="friendlyUrl">golestan-baysonghori</param>
         /// <returns></returns>
-        public async Task<RServiceResult<bool>> StartImportingFromChesterBeatty(string resourceNumber, string friendlyUrl)
+        private async Task<RServiceResult<bool>> StartImportingFromChesterBeatty(string resourceNumber, string friendlyUrl)
         {
             try
             {