{"other_titles": ["Yellowbill duck Anus undulata Dubois in Southern Africa", "Yellowbill duck Anas undulata Dubois in Southern Africa"], "publishers": ["South African Ornithological Society"], "series": ["African wildfowl enquiry,", "report no. 2", "The Ostrich. Supplement", "no. 5."], "lc_classifications": ["QL696.A5 R65"], "key": "/books/OL5225718M", "authors": [{"key": "/authors/OL1372186A"}], "publish_places": ["[Cape Town"], "pagination": "iv, 56 p.", "source_records": ["marc:marc_loc_2016/BooksAll.2016.part09.utf8:52971252:816", "marc:harvard_bibliographic_metadata/ab.bib.02.20150123.full.mrc:57019481:775", "marc:harvard_bibliographic_metadata/20220215_038.bib.mrc:265186745:1301"], "title": "The yellowbill duck Anus [i.e. Anas] undulata Dubois in Southern Africa", "lccn": ["75226222"], "number_of_pages": 56, "languages": [{"key": "/languages/eng"}], "subjects": ["Anas undulata.", "Birds -- South Africa."], "publish_date": "1963", "publish_country": "sa ", "subject_place": ["South Africa."], "by_statement": "by M. K. Rowan.", "works": [{"key": "/works/OL5655386W"}], "type": {"key": "/type/edition"}, "oclc_numbers": ["50331"], "latest_revision": 5, "revision": 5, "created": {"type": "/type/datetime", "value": "2008-04-01T03:28:50.625462"}, "last_modified": {"type": "/type/datetime", "value": "2026-05-08T22:43:11.447068"}}