Joshua Lawrence Chamberlain, Jeremiah E. Goulka (2004). “The grand old man of Maine: selected letters of Joshua Lawrence Chamberlain, 1865-1914”, The University of North Carolina Press
"NBC: In "Soaring" Speech, Obama "Sounded a Lot Like the Man America First Elected Four Years Ago". Interview with Kristen Welker, www.newsbusters.org. November 7, 2012.