The collection documents Niehoff’s work in the field of personnel and staff training in large national and international programs. The collection has papers from his experiences with the Tennessee Valley Authority, the United Nations, the U.S. Atomic Energy Commission, and Michigan State University. The collection also contains three significant manuscripts by Niehoff: a biography of Floyd Reeves, a biography of John Hannah, and an autobiography. With the exception of the autobiography, there is little personal matieral in the collection; the materials focus primarily on Niehoff's professional activities.