* Ludington, Townsend. ''John Dos Passos: A Twentieth-Century Odyssey'' (1998), good biography [http://www.amazon.com/John-Dos-Passos-Twentieth-Century-Odyssey/dp/0786705272/ref=sr_1_6?ie=UTF8&s=books&qid=1254769862&sr=1-6 excerpt and text search]
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* Ludington, Townsend. ''John Dos Passos: A Twentieth-Century Odyssey'' (1998), good biography [https://www.amazon.com/John-Dos-Passos-Twentieth-Century-Odyssey/dp/0786705272/ref=sr_1_6?ie=UTF8&s=books&qid=1254769862&sr=1-6 excerpt and text search]
* Maine, Barry. ''John Dos Passos: The Critical Heritage'' (1997) [http://www.questia.com/read/107699334?title=John%20Dos%20Passos%3a%20%20The%20Critical%20Heritage online edition]
* Maine, Barry. ''John Dos Passos: The Critical Heritage'' (1997) [http://www.questia.com/read/107699334?title=John%20Dos%20Passos%3a%20%20The%20Critical%20Heritage online edition]
* Pizer, Donald. ''Dos Passos' 'U.S.A.:' A Critical Study'' (1988)
* Pizer, Donald. ''Dos Passos' 'U.S.A.:' A Critical Study'' (1988)