Birds -- Nests -- Identification. : A field guide to Western birds' nests : of 520 species found breeding in the United States west of the Mississippi River / by Hal H. Harrison ; photos. by the author unless otherwise credited ; map, end-papers, and logo by Mada Harrison ; sponsored by the National Audubon Society and National Wildlife Federation.
Birds -- New England. : Thoreau on birds : notes on New England birds from the Journals of Henry David Thoreau / edited by Francis H. Allen ; introduction by John Hay ; illustrations by Louis Agassiz Fuertes.