http://dewey.info/scheme/a14/ en
581 Specific topics in natural history of plants
581.9 Treatment of plants by specific continents, countries, localities
http://dewey.info/scheme/a14/ vi
581 Đề tài cụ thể trong lịch sử tự nhiên của thực vật
581.9 Nghiên cứu thực vật theo châu lục, quốc gia, địa phương cụ thể
http://dewey.info/scheme/a14/ it
581 Soggetti specifici nella storia naturale delle piante
581.9 Piante di specifici continenti, paesi, località
http://dewey.info/scheme/edition/e23/ en
581 Specific topics in natural history of plants
581.9 Plants by specific continents, countries, localities
581.943 Plants--Germany 581.944 Plants--France 581.954 Plants--India 581.968 Plants--South Africa 581.972 Plants--Mexico 581.994 Plants--Australia
http://dewey.info/scheme/edition/e22/ de
581 Einzelne Themen in der Naturgeschichte von Pflanzen
581.9 Behandlung von Pflanzen nach einzelnen Kontinenten, Ländern, Ortschaften
581.943 Pflanzen—Deutschland 581.944 Pflanzen—Frankreich 581.954 Pflanzen—Indien 581.968 Pflanzen—Südafrika 581.972 Pflanzen—Mexiko 581.994 Pflanzen—Australien
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