{"type": {"key": "/type/work"}, "title": "1915 catalogue and price list of drawing materials, blue print papers and surveying instruments", "subjects": ["Catalogs", "Drawing materials", "Drawing instruments", "Mechanical drawing", "Equipment and supplies", "Surveying", "Instruments", "Keystone Blue Paper Co"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL12015713A"}}], "key": "/works/OL38690915W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2024-07-18T07:02:22.652685"}, "last_modified": {"type": "/type/datetime", "value": "2024-07-18T07:02:22.652685"}}