diff --git a/Tranga/TaskManager.cs b/Tranga/TaskManager.cs
index ffb79ea..81108ce 100644
--- a/Tranga/TaskManager.cs
+++ b/Tranga/TaskManager.cs
@@ -371,6 +371,31 @@ public class TaskManager
     {
         return this.chapterCollection.Keys.ToArray();
     }
+    
+    
+    /// <summary>
+    /// Updates the available Chapters of a Publication
+    /// </summary>
+    /// <param name="connector">Connector to use</param>
+    /// <param name="publication">Publication to check</param>
+    /// <param name="language">Language to receive chapters for</param>
+    /// <returns>List of Chapters that were previously not in collection</returns>
+    public List<Chapter> GetNewChaptersList(Connector connector, Publication publication, string language)
+    {
+        List<Chapter> newChaptersList = new();
+        chapterCollection.TryAdd(publication, newChaptersList); //To ensure publication is actually in collection
+        
+        Chapter[] newChapters = connector.GetChapters(publication, language);
+        newChaptersList = newChapters.Where(nChapter => !connector.CheckChapterIsDownloaded(publication, nChapter)).ToList();
+        
+        return newChaptersList;
+    }
+
+    public List<Chapter> GetExistingChaptersList(Connector connector, Publication publication, string language)
+    {
+        Chapter[] newChapters = connector.GetChapters(publication, language);
+        return newChapters.Where(nChapter => connector.CheckChapterIsDownloaded(publication, nChapter)).ToList();
+    }
 
     /// <summary>
     /// Return Connector with given Name
diff --git a/Tranga/TrangaTasks/DownloadNewChaptersTask.cs b/Tranga/TrangaTasks/DownloadNewChaptersTask.cs
index 7ab78b8..df46409 100644
--- a/Tranga/TrangaTasks/DownloadNewChaptersTask.cs
+++ b/Tranga/TrangaTasks/DownloadNewChaptersTask.cs
@@ -24,7 +24,7 @@ public class DownloadNewChaptersTask : TrangaTask
         
         //Check if Publication already has a Folder
         pub.CreatePublicationFolder(taskManager.settings.downloadLocation);
-        List<Chapter> newChapters = GetNewChaptersList(connector, pub, language!, ref taskManager.chapterCollection);
+        List<Chapter> newChapters = taskManager.GetNewChaptersList(connector, pub, language!);
 
         connector.CopyCoverFromCacheToDownloadLocation(pub, taskManager.settings);
         
@@ -37,25 +37,6 @@ public class DownloadNewChaptersTask : TrangaTask
             this.childTasks.Add(newTask);
         }
     }
-    
-    /// <summary>
-    /// Updates the available Chapters of a Publication
-    /// </summary>
-    /// <param name="connector">Connector to use</param>
-    /// <param name="publication">Publication to check</param>
-    /// <param name="language">Language to receive chapters for</param>
-    /// <param name="chapterCollection"></param>
-    /// <returns>List of Chapters that were previously not in collection</returns>
-    private static List<Chapter> GetNewChaptersList(Connector connector, Publication publication, string language, ref Dictionary<Publication, List<Chapter>> chapterCollection)
-    {
-        List<Chapter> newChaptersList = new();
-        chapterCollection.TryAdd(publication, newChaptersList); //To ensure publication is actually in collection
-        
-        Chapter[] newChapters = connector.GetChapters(publication, language);
-        newChaptersList = newChapters.Where(nChapter => !connector.CheckChapterIsDownloaded(publication, nChapter)).ToList();
-        
-        return newChaptersList;
-    }
 
     public override string ToString()
     {