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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 NATIONAL AUDUBON SOCIETY
by International Christian University
by Crowley, Sharon
by Goldsack, Gaby; Amesbury, Paul; Grzenlinski, Tom; et al.
by Billingsley, William J.
by Bradley, Michael R.
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