http://dewey.info/scheme/a14/ en
591 Specific topics in natural history of animals
591.9 Treatment of animals by specific continents, countries, localities
http://dewey.info/scheme/a14/ vi
591 Đề tài cụ thể trong lịch sử tự nhiên của động vật
591.9 Nghiên cứu động vật theo châu lục, quốc gia, địa phương cụ thể
http://dewey.info/scheme/a14/ it
591 Soggetti specifici nella storia naturale degli animali
591.9 Animali di specifici continenti, paesi, località
http://dewey.info/scheme/edition/e23/ en
591 Specific topics in natural history of animals
591.9 Animals by specific continents, countries, localities
591.96 Animals--Africa 591.978 Animals--Western States (U.S.) 591.994 Animals--Australia
Dewey Decimal Classification
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