{"first_publish_date": "1964", "title": "John Carter of Mars", "covers": [7922473], "subject_places": ["Mars (Planet)", "Jupiter (Planet)"], "lc_classifications": ["PZ3.B944 Jo", "PS3503.U687 Jo"], "key": "/works/OL1418199W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL146605A"}}], "type": {"key": "/type/work"}, "subjects": ["Fiction", "Dejah Thoris (Fictitious character)", "Fiction, science fiction, action & adventure", "Barsoom (imaginary place), fiction", "Carter, john (fictitious character), fiction", "John Carter (Fictitious character)", "Martians"], "latest_revision": 7, "revision": 7, "created": {"type": "/type/datetime", "value": "2009-12-09T21:24:24.998496"}, "last_modified": {"type": "/type/datetime", "value": "2025-06-06T05:36:03.441293"}}