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Lista de obras de Alfred Charles True

A History of Agricultural Experimentation and Research in the United States 1607–1925 ⬇️

1937 book

Agricultural experiment stations in foreign countries ⬇️

Washington,Govt. print. off.,1904. | Library of Congress

Education and research in agriculture and home economics in the United States ⬇️

Washington,Govt. print. off.,1922. | Library of Congress

Introduction of elementary agriculture into schools ⬇️

1907. | Library of Congress

The cotton plant : its history, botany, chemistry, culture, enemies, and uses ⬇️

Washington: G.P.O., 1896.

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