1 files changed, 26 insertions, 0 deletions
diff --git a/python/notes/version_4.md b/python/notes/version_4.md
index 97fb4e1..7b45083 100644
--- a/python/notes/version_4.md
+++ b/python/notes/version_4.md
@@ -47,3 +47,29 @@ Also, these may say: "accessed at ..."
 # Partial Data Mapping
 
 * how to map partial docs onto a key
+
+# OL beyond ISBN
+
+Example:
+
+```
+{
+  "biblio": {
+    "container_name": "The Debt: What America Owes to Blacks",
+    "contrib_raw_names": [
+      "R Robinson"
+    ],
+    "unstructured": "Randall Robinson, The Debt: What America Owes to Blacks. New York: Dutton Books, 2000, pp. 219–220.",
+    "year": 2000
+  },
+  "index": 22,
+  "key": "8_CR23",
+  "ref_source": "crossref",
+  "release_year": 2009,
+  "release_ident": "2igycuiobvhxrcmmrzz6anufuq",
+  "work_ident": "aaacj23jqbdxvajwj5kc6jpejq"
+}
+```
+
+* https://openlibrary.org/works/OL488811W/The_debt?edition=debtwhatamerica000robi
+