diff --git a/doc/datapickle.md b/doc/datapickle.md
index d03ed0a..119c644 100644
--- a/doc/datapickle.md
+++ b/doc/datapickle.md
@@ -2,6 +2,17 @@
 
 The file data.pickle is created during a run of `eoatex2imxml.py` or `fix_tei.py` and primarily assigns numbers to elements. For example, the thirteenth figure in the first (numbered) chapter, that carries the id `uid17` is assigned the human readable reference `1.13`.
 
+The original list of stored items is
+- chapterdict
+- figdict
+- eqdict
+- fndict
+- listdict
+- pagelabeldict
+- secdict
+- tabdict
+- theoremdict
+
 ## eoatex2imxml.py
 In the classic variant, the file contains these fields: