diff --git a/.gitattributes b/.gitattributes
index ee9a59a77d286d83100c812858b9cc4595b7d78e..fcd2519580d13d27b6c3cbb01e2504b668218647 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -138,3 +138,4 @@ data/AB/1971/02_extractedxml.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1972/02_extractedxml.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1973/02_extractedxml.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1974/02_extractedxml.tar.gz filter=lfs diff=lfs merge=lfs -text
+data/AB/1941/04_correctedxml.tar.gz filter=lfs diff=lfs merge=lfs -text
diff --git a/.renku/workflow/2c1925dad0634162948f73c4ef948b95_python.cwl b/.renku/workflow/2c1925dad0634162948f73c4ef948b95_python.cwl
new file mode 100644
index 0000000000000000000000000000000000000000..fb146fdf214489344fbcc10eb47575e71f1c5f27
--- /dev/null
+++ b/.renku/workflow/2c1925dad0634162948f73c4ef948b95_python.cwl
@@ -0,0 +1,51 @@
+arguments: []
+baseCommand:
+- python
+class: CommandLineTool
+cwlVersion: v1.0
+hints: []
+inputs:
+  input_1:
+    default:
+      class: File
+      path: ../../src/python/run_correctxml.py
+    inputBinding:
+      position: 1
+      separate: true
+      shellQuote: true
+    streamable: false
+    type: File
+  input_2:
+    default:
+      class: File
+      path: ../../data/AB/1941/02_extractedxml.tar.gz
+    inputBinding:
+      position: 2
+      separate: true
+      shellQuote: true
+    streamable: false
+    type: File
+  input_3:
+    default: data/AB/1941/04_correctedxml.tar.gz
+    inputBinding:
+      position: 3
+      separate: true
+      shellQuote: true
+    streamable: false
+    type: string
+outputs:
+  output_0:
+    outputBinding:
+      glob: $(inputs.input_3)
+    streamable: false
+    type: File
+permanentFailCodes: []
+requirements:
+- class: InlineJavascriptRequirement
+- class: InitialWorkDirRequirement
+  listing:
+  - entry: '$({"listing": [], "class": "Directory"})'
+    entryname: data/AB/1941
+    writable: true
+successCodes: []
+temporaryFailCodes: []
diff --git a/data/AB/1941/04_correctedxml.tar.gz b/data/AB/1941/04_correctedxml.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..fcf8e5a677f7c1dc4e272b15198334ffaded78c1
--- /dev/null
+++ b/data/AB/1941/04_correctedxml.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:100a4962e9d4f13c4662b724f65678a096c31190c50e384b7b0b0194110b93e5
+size 4629910