Thomas, Richard2010-04-201993Thomas, Richard F. 1993. Sparrows, hares and doves: 'Source criticism' and the limits of plurality. Helios 20(2): 131-142.0160-0923http://nrs.harvard.edu/urn-3:HUL.InstRepos:3967585en-USSparrows, Hares and Doves: 'Source Criticism' and the Limits of PluralityJournal Article