TY - GEN AU - Bull,John AU - Farrand,John ED - National Audubon Society. TI - National Audubon Society field guide to North American birds, Eastern region SN - 0679428526 U1 - 598.297 20 PY - 1994/// CY - New York PB - Knopf KW - Birds KW - North America KW - Identification KW - sears N1 - Includes index; 10-A N2 - A pictorial guide to 508 species of birds found in North America ER -