Mann, Robert. As Muralhas de Jericó: Lyndon Johnson, Hubert Humphrey, Richard Russell e a Luta pelos Direitos Civis . Nova York: Harcourt Brace, 1996. online
Engelmayer, Sheldon D. e Robert J. Wagman. Hubert Humphrey: O Homem e Seu Sonho. (1978). online
jstor.org
Boomhower, Ray E. "Fighting the Good Fight: John Bartlow Martin and Hubert Humphrey's 1968 Presidential Campaign." Indiana Magazine of History (2020) 116 # 1 pp 1-29. online
medicalalumni.org
Berman, Edgar [1]. Hubert: The Triumph And Tragedy Of The Humphrey I Knew. New York, N.Y. : G.P. Putnam's & Sons, 1979. A physician's personal account of his friendship with Humphrey from 1957 until his death in 1978.
