Bibliography

Export 24 results:
Author Title Type [ Year(Desc)]
Filters: Author is Pettingill Jr., Olin Sewall  [Clear All Filters]
1944
Jr. OSewall Pet.  1944.  A summer program for bird study. The American Biological Teacher. 6:86-89.
1971
Jr. OSewall Pet.  1971.  Cape May Warbler nesting in Michigan. Jack Pine Warbler. 49:125-126.
1974
Jr. OSewall Pet.  1974.  Ornithology at the University of Michigan Biological Station and the Birds of the Region. Spec├Čal Publication of the Kalamazoo Nature Center. (No. 1):118pp..
1979
Jr. OSewall Pet.  1979.  My thirty-six summers in Michigan. Jack Pine Warbler. 57:127-132.