{"type": {"key": "/type/work"}, "title": "Special catalogue of the joint exhibition of German mechanicians and opticians", "subjects": ["Scientific apparatus and instruments"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL7409139A"}}], "key": "/works/OL32855643W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2022-12-21T14:28:21.141335"}, "last_modified": {"type": "/type/datetime", "value": "2022-12-21T14:28:21.141335"}}