diff --git a/.gitattributes b/.gitattributes
index 2a6a2f7c0073df51d163b2edd9b66b740a24ec88..dd0a0451795512b6c80839ac50440cd6f46a4581 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -148,3 +148,4 @@ data/AB/1947/04_correctedxml.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1948/04_correctedxml.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1949/04_correctedxml.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1950/04_correctedxml.tar.gz filter=lfs diff=lfs merge=lfs -text
+data/AB/1951/04_correctedxml.tar.gz filter=lfs diff=lfs merge=lfs -text
diff --git a/.renku/workflow/550d72252c7545bfbb78cdde00f5e974_python.cwl b/.renku/workflow/550d72252c7545bfbb78cdde00f5e974_python.cwl
new file mode 100644
index 0000000000000000000000000000000000000000..9b30c0413915c7440134f6d743fc8ce23b276dfb
--- /dev/null
+++ b/.renku/workflow/550d72252c7545bfbb78cdde00f5e974_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/1951/02_extractedxml.tar.gz
+    inputBinding:
+      position: 2
+      separate: true
+      shellQuote: true
+    streamable: false
+    type: File
+  input_3:
+    default: data/AB/1951/04_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/1951
+    writable: true
+successCodes: []
+temporaryFailCodes: []
diff --git a/data/AB/1951/04_correctedxml.tar.gz b/data/AB/1951/04_correctedxml.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..1f36160c522678243027c3ca42299ca20b8b2032
--- /dev/null
+++ b/data/AB/1951/04_correctedxml.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8b4088dc91b701e9bbbd1705d22440c0dc21eadfe5fbd7fe3c1156238784cd82
+size 9210169