{"type": {"key": "/type/edition"}, "publish_date": "1850", "publish_country": "mau", "languages": [{"key": "/languages/eng"}], "title": "Speech of the Hon. W.H. Seward, on the admission of California, and the subject of slavery", "subtitle": "delivered in the United States Senate, on Monday, March 11, 1850", "authors": [{"key": "/authors/OL158957A"}], "oclc_numbers": ["1534012780"], "lc_classifications": ["AC1 .S225"], "dewey_decimal_class": ["979.4"], "other_titles": ["Founding Research Collection (Boston Public Library)", "Sabin Americana, 1500-1926."], "series": ["Birney anti-slavery collection"], "notes": {"type": "/type/text", "value": "Sabin, 79562\n\nIn English"}, "location": ["BPL-Offsite Storage"], "subject_times": ["1846-1850"], "subjects": ["Compromise of 1850", "Speeches in Congress", "Slavery", "Esclavage", "Discours parlementaires", "Politics and government", "Politique et gouvernement"], "subject_places": ["United States", "\u00c9tats-Unis", "California", "Californie"], "publishers": ["publisher not identified"], "publish_places": ["Boston"], "pagination": "26 pages", "number_of_pages": 26, "ocaid": "speechofhonwhsew00sewa_0", "source_records": ["ia:speechofhonwhsew00sewa_0"], "full_title": "Speech of the Hon. W.H. Seward, on the admission of California, and the subject of slavery delivered in the United States Senate, on Monday, March 11, 1850", "covers": [15227271], "works": [{"key": "/works/OL45587778W"}], "key": "/books/OL62084364M", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2026-06-04T04:38:25.061357"}, "last_modified": {"type": "/type/datetime", "value": "2026-06-04T04:38:25.061357"}}