diff --git a/Transformation-2023-9-15/.vscode/settings.json b/Transformation-2023-9-15/.vscode/settings.json
new file mode 100644
index 0000000..ef43394
--- /dev/null
+++ b/Transformation-2023-9-15/.vscode/settings.json
@@ -0,0 +1,3 @@
+{
+    "dotnet.defaultSolution": "Transformation-2023-9-15.sln"
+}
\ No newline at end of file
diff --git a/Transformation-2023-9-15/Program.cs b/Transformation-2023-9-15/Program.cs
index 3251f3c..77dd99e 100644
--- a/Transformation-2023-9-15/Program.cs
+++ b/Transformation-2023-9-15/Program.cs
@@ -1,7 +1,8 @@
 using System.IO;
 using System.Xml.Linq;
 // See https://aka.ms/new-console-template for more information
-const string XML_PATH = "D:/Simon/source/hamann-xml/transformations_2023-9-14_test/";
+const string XML_PATH = "D:/Simon/source/hamann-xml/base/";
+const string DEST_PATH = "D:/Simon/source/hamann-xml/transformations_2023-9-14_test/";
 const string GIT_PATH = "../../hamann-xml/";
 const string BRANCH_NAME = "testdata";
 
@@ -20,21 +21,86 @@ if (xmls == null || !xmls.Any()) {
     throw new("No XML Data fonund!");
 }
 
+// Checks are done, we begin here
+// State
 List<(string, XDocument)> Documents = new();
+Dictionary<string, string> OldNewIndex = new();
+Dictionary<string, List<XElement>> Intlinks = new();
+Dictionary<string, List<XElement>> Marginals = new();
+Dictionary<string, List<XElement>> LetterTexts = new();
+Dictionary<string, List<XElement>> LetterTraditions = new();
+Dictionary<string, List<XElement>> LetterDescs = new();
 
 foreach (var f in xmls) {
-    Documents.Add((f, XDocument.Load(f, LoadOptions.PreserveWhitespace)));
-    Console.WriteLine("" + f);
+    var d = XDocument.Load(f, LoadOptions.PreserveWhitespace);
+    Documents.Add((f, d));
+
+    var intlinks = d.Descendants("intlink");
+    if (intlinks != null && intlinks.Any()) {
+        foreach (var e in intlinks) {
+            if (e.HasAttributes && e.Attribute("letter") != null) {
+                if (!Intlinks.ContainsKey(e.Attribute("letter").Value)) Intlinks.Add(e.Attribute("letter").Value, new());
+                Intlinks[e.Attribute("letter").Value].Add(e);
+            }
+        }
+    }
+
+    var marginals = d.Descendants("marginal");
+    if (marginals != null && marginals.Any()) {
+        foreach (var e in marginals) {
+            if (e.HasAttributes && e.Attribute("letter") != null) {
+                if (!Marginals.ContainsKey(e.Attribute("letter").Value)) Marginals.Add(e.Attribute("letter").Value, new());
+                    Marginals[e.Attribute("letter").Value].Add(e);
+            }
+        }
+    }
+
+    var lettertexts = d.Descendants("letterText");
+    if (lettertexts != null && lettertexts.Any()) {
+        foreach (var e in lettertexts) {
+            if (e.HasAttributes && e.Attribute("index") != null) {
+                if (!LetterTexts.ContainsKey(e.Attribute("index").Value)) LetterTexts.Add(e.Attribute("index").Value, new());
+                    LetterTexts[e.Attribute("index").Value].Add(e);
+            }
+        }
+    }
+
+    var lettertraditions = d.Descendants("letterTradition");
+    if (lettertraditions != null && lettertraditions.Any()) {
+        foreach (var e in lettertraditions) {
+            if (e.HasAttributes && e.Attribute("ref") != null) {
+                if (!LetterTraditions.ContainsKey(e.Attribute("ref").Value)) LetterTraditions.Add(e.Attribute("ref").Value, new());
+                LetterTraditions[e.Attribute("ref").Value].Add(e);
+            }
+        }
+    }
+
+    var letterdescs = d.Descendants("letterDesc");
+    if (letterdescs != null && letterdescs.Any()) {
+        foreach (var e in letterdescs) {
+            if (e.HasAttributes && e.Attribute("ref") != null) {
+                if (!LetterDescs.ContainsKey(e.Attribute("ref").Value)) LetterDescs.Add(e.Attribute("ref").Value, new());
+                    LetterDescs[e.Attribute("ref").Value].Add(e);
+
+                if (e.Element("autopsic") != null && e.Element("autopsic").HasAttributes && e.Element("autopsic").Attribute("value") != null) 
+                    OldNewIndex.Add(e.Attribute("ref").Value, e.Element("autopsic").Attribute("value").Value);
+                
+            }
+        }
+    }
 }
 
 
-void SaveHamannFile(XElement element, string basefilepath, string oldfile) {
-        var filename = "hamann_" + ".xml";
-        var path = Path.Combine(basefilepath, filename);
 
-        if (!Directory.Exists(basefilepath))
-            Directory.CreateDirectory(basefilepath);
-        using (var targetStream = System.IO.File.Create(path))
-            element.Save(targetStream, SaveOptions.DisableFormatting);
-    
-    }
\ No newline at end of file
+void SaveFile(XDocument element, string basefilepath, string oldfile) {
+    var filenameold = oldfile.Split('/', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries).LastOrDefault();
+    if (filenameold == null) return;
+    var filename = oldfile + "_transform_" + ".xml";
+    var path = Path.Combine(basefilepath, filename);
+
+    if (!Directory.Exists(basefilepath))
+        Directory.CreateDirectory(basefilepath);
+    using (var targetStream = System.IO.File.Create(path)) {
+        element.Save(targetStream, SaveOptions.DisableFormatting); 
+    }
+}
\ No newline at end of file
diff --git a/Transformation-2023-9-15/Transformation-2023-9-15.sln b/Transformation-2023-9-15/Transformation-2023-9-15.sln
new file mode 100644
index 0000000..a7f5d0a
--- /dev/null
+++ b/Transformation-2023-9-15/Transformation-2023-9-15.sln
@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.5.002.0
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Transformation-2023-9-15", "Transformation-2023-9-15.csproj", "{7149D531-B686-413A-AFC8-12DCE97C7119}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{7149D531-B686-413A-AFC8-12DCE97C7119}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{7149D531-B686-413A-AFC8-12DCE97C7119}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{7149D531-B686-413A-AFC8-12DCE97C7119}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{7149D531-B686-413A-AFC8-12DCE97C7119}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {DCF91CEF-437A-4F52-BA90-CF5EE71C1B96}
+	EndGlobalSection
+EndGlobal