Research Guide | Nebraska
History of the State of Nebraska first published 1882 by the Western Historical Company, A. T. Andres, Proprietor
History of Nebraska: From the Earliest Explorations of the Trans-Mississippi Region by J. Sterling Morton and Albert Watkins, 1918
Nebraska Memories - Nebraska historical and cultural heritage materials
Nebraska State Historical Society
Who's Who in Nebraska - 1940, published by the Nebraska Press Association
Profiles of Nationally Distinguished Nebraskans
Edison Pettit 1889-1962 by Seth B. Nicholson
Inventory of the Edison Pettit Papers, 1920-1946 – Online Archive of California
Guide to the E. P. Conkle Papers – George Mason University Libraries
900 Famous Nebraskans: Nationally Distinguished Nebraskans – 2008 by E. A. Kral