{"type": {"key": "/type/work"}, "title": "Bulgarian Fighter Colours 1919-1948 Vol. 1", "subjects": ["Fighter planes", "World war, 1914-1918, aerial operations", "World war, 1914-1918, bulgaria"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL8634070A"}}], "key": "/works/OL28009285W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2022-06-17T20:01:17.151949"}, "last_modified": {"type": "/type/datetime", "value": "2022-06-17T20:01:17.151949"}}