Arvid Cornelius Knudtson / D. W. Sunderman / Donald Gardner Baker / E. R. Allred / James P. Houck / L. S. Jordan / Lyle P. Schertz / Martin E. Abel / W. C. Kelso

UIUC:30112019653879

Animal industry

E. R. Allred

MINN:31951D01416452K

Conservation of natural resources

E. R. Allred

UIUC:30112019655528

Agriculture

E.R. Bills

9781467147378 / 1467147370

History

C. Phillip Baumel / Craig Eugene Beer / George Wells Ladd / Hsi Chih Chang / Robert H. Shaw / Thomas R. Hargrove / E. R. Duncan / Roy D. Hickman / Richard Elroy Felch / W. H. Thompson

UIUC:30112079450042

Agricultural ecology

Geological Survey (U.S.). Water Resources Division / E.R. Ficke

UOM:39015010085184

Ice on rivers, lakes, etc

Barbara E. R. Swaby

STANFORD:36105033105300

Language Arts & Disciplines

Philip William Manson

UIUC:30112019655726

Agriculture