{"type": {"key": "/type/edition"}, "publish_date": "1987", "publish_country": "wlk", "languages": [{"key": "/languages/eng"}], "title": "The lead mines of the Alyn valley", "by_statement": "by C.J. Williams", "lccn": ["gb88034085", "88034085"], "authors": [{"key": "/authors/OL774182A"}], "oclc_numbers": ["60089109", "17982468"], "dewey_decimal_class": ["338.2/744/0942933"], "other_titles": ["Journal (Flintshire Historical Society)"], "notes": {"type": "/type/text", "value": "Reprinted (with additional illustrations) from the Flintshire Historical Society journal v.29 (1979-80)."}, "publishers": ["Flintshire Historical Society"], "publish_places": ["Hawarden"], "isbn_10": ["095127760X"], "pagination": "39 p.", "number_of_pages": 39, "source_records": ["marc:harvard_bibliographic_metadata/ab.bib.01.20150123.full.mrc:423702729:899", "marc:harvard_bibliographic_metadata/20220215_036.bib.mrc:159325530:1217"], "works": [{"key": "/works/OL42493831W"}], "key": "/books/OL57669897M", "latest_revision": 2, "revision": 2, "created": {"type": "/type/datetime", "value": "2025-02-05T02:17:30.836672"}, "last_modified": {"type": "/type/datetime", "value": "2026-04-18T17:41:58.490812"}}