diff --git a/.gitattributes b/.gitattributes
index 4c468c191007bfad07c2f1144b14b0dab1ddd8d7..11b3ac3ecbf0729498e037b9695bfda05f830586 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -240,3 +240,4 @@ data/AB/1992/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1993/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1994/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1995/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
+data/AB/1973/04_correctedxml.tar.gz filter=lfs diff=lfs merge=lfs -text
diff --git a/.renku/workflow/337b046f45a64dec9c810ea6e51ecaad_python.cwl b/.renku/workflow/337b046f45a64dec9c810ea6e51ecaad_python.cwl
new file mode 100644
index 0000000000000000000000000000000000000000..8f8df800e526f544aadb6296ce07959ce6783d3b
--- /dev/null
+++ b/.renku/workflow/337b046f45a64dec9c810ea6e51ecaad_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/1973/02_extractedxml.tar.gz
+    inputBinding:
+      position: 2
+      separate: true
+      shellQuote: true
+    streamable: false
+    type: File
+  input_3:
+    default: data/AB/1973/04_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/1973
+    writable: true
+successCodes: []
+temporaryFailCodes: []
diff --git a/data/AB/1973/04_correctedxml.tar.gz b/data/AB/1973/04_correctedxml.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..328b4066e7441948288c136d187f897490adc17f
--- /dev/null
+++ b/data/AB/1973/04_correctedxml.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7d4a6ad272fc8e6015fb2da4f16a7f4363d7d835427cf9c4777294f982424e6b
+size 20865709