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University of Toronto Press, Scholarly Publishing Division
> Ross Layberry
Ross Layberry
title
ISBN-13
(ISBN-10)
year of publica-
tion
other author(s)
The Butterflies of Canada
978-O-8O2O-7881-O
(O-8O2O-7881-8)
1998
Peter Hall · Don Lafontaine
R. L
·
Rich Libero
·
Rick Lauber
·
Ricky Leaver
·
Ross A. Layberry
·
Ross Laver
Ross Leadbetter