Harstad, Peter T. and Gibson, Michael D. "An Iowa-Born Historian and the American Revolution: Carl Becker and the 'Spirit of '76'." The Palimpsest 57, No. 6 (November-December 1976): 174-92.
Examines the effect Becker's early Iowa experiences had on his life and approach to writing history.
Wilkins, Burleigh Taylor. Carl Becker: A Biographical Study in American Intellectual History. Cambridge: The M.I.T. Press and Harvard University Press, 1961, 246 p.
Detailed look at the intellectual and social forces that shaped Becker's relativist view of history.
(The entire section is 694 words.)