Jon M. Gerrard books & textbook
The Bald Eagle: Haunts and Habits of a Wilderness Monarch (Smithsonian Nature Book)
Gerrard, Jonathan M. Gerrard, Jon M. Bortolotti, Gary R.
Smithsonian Institution Press /1988-05T Hardcover / 177 Pages
isbn-10: 0874744504 / isbn-13: 9780874744507
Biology and Management of Bald Eagles and Ospreys: Proceedings of the 1st International Symposium on Bald Eagles and Ospreys, Montreal, 28-29 October, 1981
bird,david m norman seymour and jon gerrard
macdonald raptor research centre [mcgill university] /1983T Paperback / 325 Pages
