1.
My Way to Ornithology - Olin Sewall Pettingill - Hardcover
by Pettingill, Olin S., Jr., S...
ISBN: 9780806124094
List Price: $26.95
2.
Guide to Bird Finding West of the Mississippi
by Pettingill, Olin S., Jr., S...
ISBN: 9780195028188
List Price: $35.00
3.
ORNITHOLOGY IN LABORATORY & FIELD
by Pettingill, Olin S., Jr., B...
ISBN: 9780125524551
List Price: $59.95
4.
Guide to Bird Finding East of the Mississippi
by Pettingill, Olin S., Jr., S...
ISBN: 9780195020977
List Price: $35.00
5.
Ornithology at the University of Michigan Biological Station and the Birds of the Region
by Pettingill, Olin S., Jr., B...
ISBN: 9780939294008
List Price: $5.00
6.
7.
A Guide to Bird Finding East of the Mississippi
by Pettingill, Olin S., Jr.
ISBN: 9780395291320
List Price: $7.95