A bibliography of the history of the University of Iowa, 1847-1997Earl M. Rogers · First published 1997Open the Tome
A bibliography of the history of the University of Iowa, 1847-1978Earl M. Rogers · First published 1979Open the Tome
A list of references for the history of agriculture in IowaEarl M. Rogers · First published 1979Open the Tome
A list of references for the history of agriculture in the Great PlainsEarl M. Rogers · First published 1976Open the Tome
The Wallace papersHenry Agard Wallace, Earl M. Rogers, Leslie W. Dunlap · First published 1975Open the Tome
A list of references for the history of agriculture in the Mountain StatesEarl M Rogers · First published 1972Open the Tome
A preliminary list of references for the history of agricultural science and technology in the United StatesCarroll W. Pursell, Earl M. Rogers, United States. Department of Agriculture. Economic Research Service, Davis. Agricultural History Center University of California, United States. Agricultural History Branch · First published 1966Open the Tome
