Nebraska Tractor Test Lab
University of Nebraska-Lincoln
Manuscripts & Folklife Archives
Western Kentucky University
Florida Historical Society
University of Central Florida
Timothy Perttula
Heritage Research Center, Stephen F. Austin State University
Allen Guelzo
Gettysburg College
Milo Kearney
The University of Texas Rio Grande Valley
John Rudy
Gettysburg College
Sophie Rehlaender
Lakeridge High School
Adolph Treidler
Southern Adventist University
Anthony Knopp
The University of Texas Rio Grande Valley