{"last_modified": {"type": "/type/datetime", "value": "2016-12-07T04:40:05.463548"}, "title": "Instructions for proof of guns and carriages including star-gauging of guns and taking impressions of bore, February 16, 1905, revised November 7, 1906 ... revised January 28, 1913", "created": {"type": "/type/datetime", "value": "2016-12-07T04:40:05.463548"}, "subjects": ["Ordnance", "Ordnance testing", "United States", "Ordnance and ordnance stores", "United States. Army", "Inspection"], "latest_revision": 1, "key": "/works/OL17601931W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL18564A"}}], "type": {"key": "/type/work"}, "revision": 1}