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تاريخ النشر: [1921].
الناشرون: U.S. Dept. of Agriculture, Bureau of Biological Survey
المساهمون: Biodiversity Heritage Library
المجموعات: Biodiversity Heritage Library
التصنيف: Others
الموضوعات: Wildlife conservation--Law and legislation--United States. , Birds--Conservation--Law and legislation--United States.
كلمات مفتاحية: Wildlife conservation Law and legislation United States. Birds Conservation Law and legislation United States.