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by Raymond F. Comeau (Harvard University); Normand J. Lamoureux (College of the Holy Cross)
by I. N. Herstein (University of Chicago)
by Schiffman, Lawrence H.
by Baker, Ian
by Goodkind, Terry
by Crist-Evans, Craig
by NATIONAL AUDUBON SOCIETY
by International Christian University
by Woodworth, Steven E.
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