- The Giant Canada Goose, Revised Edition
- Mineral Licks, Geophagy, and Biogeochemistry of North American Ungulates
- The Biogeochemistry of Blue, Snow, and Ross' Geese (Special publication - Illinois Natural History Survey ; no. 1)
- The White -Cheeked Geese;taxonomy,Ecophysiographic Relationships, Biogeography, and Evolutionary Considerations Volume 2
- Characters of Age, Sex and Sexual Maturity in Canada Geese: 49; Volume 49