{"type": {"key": "/type/edition"}, "publish_date": "1997", "publish_country": "sp", "languages": [{"key": "/languages/spa"}], "title": "La historia oculta del socialismo", "by_statement": "Ricardo de la Cierva", "authors": [{"key": "/authors/OL76805A"}], "oclc_numbers": ["37275538"], "series": ["Episodios hist\u00f3ricos de Espa\u00f1a / de Ricardo de la Cierva -- 20"], "notes": {"type": "/type/text", "value": "\"1879/1982\"--Cover.\n\nIncludes bibliographical references."}, "subject_places": ["Spain"], "subject_times": ["19th century", "20th century"], "subjects": ["History", "Socialism", "P.S.O.E. (Political party)"], "publishers": ["ARC Editores"], "publish_places": ["Madrid"], "isbn_10": ["8477542279"], "pagination": "178 p.", "number_of_pages": 178, "source_records": ["marc:harvard_bibliographic_metadata/20220215_043.bib.mrc:83911713:1803"], "works": [{"key": "/works/OL45722784W"}], "key": "/books/OL62246136M", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2026-07-05T06:19:49.019752"}, "last_modified": {"type": "/type/datetime", "value": "2026-07-05T06:19:49.019752"}}