diff --git a/.gitattributes b/.gitattributes
index 28d5395cdc17c46af1b72256af053be26f2882e1..e09a307a2a3312a79b4f24279da968aac489044d 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -109,3 +109,4 @@ data/AB/1891/04_correctedxml.tar.gz filter=lfs diff=lfs merge=lfs -text
 src/python/utils_proc.py filter=lfs diff=lfs merge=lfs -text
 data/AB/1935/04_correctedxml.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1936/04_correctedxml.tar.gz filter=lfs diff=lfs merge=lfs -text
+data/AB/1937/04_correctedxml.tar.gz filter=lfs diff=lfs merge=lfs -text
diff --git a/.renku/workflow/5c946904c6fb49998fa01b9844c41d0a_python.cwl b/.renku/workflow/5c946904c6fb49998fa01b9844c41d0a_python.cwl
new file mode 100644
index 0000000000000000000000000000000000000000..f5923559d4b878c2794c0cf7384676dd69736706
--- /dev/null
+++ b/.renku/workflow/5c946904c6fb49998fa01b9844c41d0a_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/1937/02_extractedxml.tar.gz
+    inputBinding:
+      position: 2
+      separate: true
+      shellQuote: true
+    streamable: false
+    type: File
+  input_3:
+    default: data/AB/1937/04_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/1937
+    writable: true
+successCodes: []
+temporaryFailCodes: []
diff --git a/data/AB/1937/04_correctedxml.tar.gz b/data/AB/1937/04_correctedxml.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..c04d13f8fd3ec23c51a79ad092258ff96097636e
--- /dev/null
+++ b/data/AB/1937/04_correctedxml.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:83047d81c9ca8d2904c6e4314a61a1b1ce5f14247a273067050ba04a43be0336
+size 9142081