Earl M. Rogers

• The American farm crisis
• A bibliography of the history of the University of Iowa, 1847-1978
• A bibliography of the history of the University of Iowa, 1847-1997
• A list of references for the history of agriculture in Iowa
• A list of references for the history of agriculture in the Great Plains
• A list of references for the history of agriculture in the mountain states
• A preliminary list of references for the history of agricultural science and technology in the United States
• Memoirs of Vernon County
• The Wallace papers