{"type": {"key": "/type/edition"}, "publish_date": "1957", "publish_country": "pau", "languages": [{"key": "/languages/eng"}], "title": "Elements of a comprehensive industrial renewal program for Philadelphia", "authors": [{"key": "/authors/OL1817956A"}, {"key": "/authors/OL11612303A"}], "oclc_numbers": ["16701267"], "subject_places": ["Pennsylvania", "Philadelphia"], "subjects": ["Industrial location", "Industries"], "publishers": ["Bureau of Municipal Research and Pennsylvania Economy League"], "publish_places": ["Philadelphia"], "pagination": "2 p. \u2113., 12 numb. \u2113.", "number_of_pages": 12, "source_records": ["marc:harvard_bibliographic_metadata/20220215_016.bib.mrc:132017857:1274"], "works": [{"key": "/works/OL43981434W"}], "key": "/books/OL59988884M", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2025-08-30T23:09:30.448717"}, "last_modified": {"type": "/type/datetime", "value": "2025-08-30T23:09:30.448717"}}