* Baldwin, Louis. ''Hon. Politician: Mike Mansfield of Montana.'' (1979). 362 pp.
* Baldwin, Louis. ''Hon. Politician: Mike Mansfield of Montana.'' (1979). 362 pp.
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* Olson, Gregory Allen. ''Mansfield and Vietnam: A Study in Rhetorical Adaptation.'' (1995). 349 pp.
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* Valeo, Francis R. ''Mike Mansfield, Majority Leader: A Different Kind of Senate, 1961-1976'' (2000) [http://www.amazon.com/Mike-Mansfield-Majority-Leader-Different/dp/0765604515/ref=sr_1_7?ie=UTF8&s=books&qid=1250683277&sr=1-7 excerpt and text search]