{"subtitle": "with an extended treatise on crystallography and physical mineralogy", "last_modified": {"type": "/type/datetime", "value": "2020-08-11T06:40:25.822241"}, "title": "A text-book of mineralogy", "created": {"type": "/type/datetime", "value": "2009-12-09T21:51:20.449027"}, "covers": [5766084], "first_publish_date": "1877", "latest_revision": 10, "key": "/works/OL1553362W", "authors": [{"type": "/type/author_role", "author": {"key": "/authors/OL165585A"}}], "type": {"key": "/type/work"}, "subjects": ["Cristallographie", "Crystallography", "Mineralogy", "Min\u00e9ralogie"], "revision": 10}