The United States Department of Agriculture during the Commissionership: A Study in Politics, Administration, and Technology, 1862-1889

Autor:	Ross, Earle D.
Zdroj:	Agricultural History, 1946 Jul 01. 20(3), 129-143.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/3739805 Zobrazit plný text záznamu