Laura Ingalls Wilder
Bernard Augustine De Voto
Meriwether Lewis
Francis Grierson
United States. General Accounting Office
John E. Sunder
John Bradbury
Stanley Vestal
Bruce Opie Nelson
John Gneisenau Neihardt
Robert G. Athearn
National Research Council
John Anderson
Rudolf Friedrich Kurz
John Neihardt
James Willard Schultz
John Edward Sunder
Anderson, John C.