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National Audubon Society Pocket Guide(2nd Edition) North American Waterfowl (National Audubon Society Pocket Guides) by National Audubon Society, Richard K. Walton Paperback, 192 Pages, Published 1994 by Knopf ISBN-13: 978-0-679-74924-0, ISBN: 0-679-74924-1 |
National Audubon Society Pocket Guide to Familiar Birds of Lakes and Rivers (National Audubon Society Pocket Guides) by National Audubon Society, Richard K. Walton, Amy Leventer Paperback, 191 Pages, Published 1994 by Knopf ISBN-13: 978-0-679-74922-6, ISBN: 0-679-74922-5 |
Endangered Wildlife (Peterson Field Guide Coloring Books) by Richard K. Walton, Gordon Morrison, Roger Tory Peterson Paperback, 64 Pages, Published 1991 by Houghton Mifflin ISBN-13: 978-0-395-57324-2, ISBN: 0-395-57324-6 |
More Birding by Ear A Guide to Bird-Song Identification : Eastern and Central North America (Peterson Field Guide Series) by Richard K. Walton, Robert W. Lawson, Roger Tory Peterson Paperback, Published 1994 by Houghton Mifflin Audiobook ISBN-13: 978-0-395-71260-3, ISBN: 0-395-71260-2 |
National Audubon Society Pocket Guide to Familiar Butterflies Of North America(1st Edition) (National Audubon Society Pocket Guides) by National Audubon Society, Paul A. Opler, Richard K. Walton Paperback, 192 Pages, Published 1990 by Knopf ISBN-13: 978-0-679-72981-5, ISBN: 0-679-72981-X |
Birding by Ear A Guide to Bird-Song Identification/Eastern/Central (Peterson Field Guide Series/Book & 3 Cassettes) by Richard K. Walton, Robert W. Lawson, Roger Tory Peterson, Walton/Lawson Paperback, 3 Pages, Published 1988 by Houghton Mifflin (A) ISBN-13: 978-0-395-50087-3, ISBN: 0-395-50087-7 |
Birding by Ear Western (Peterson Audios) by Richard K. Walton, Robert W. Lawson, Roger Tory Peterson, John Sill Paperback, 64 Pages, Published 1999 by Houghton Mifflin Abridged, Audiobook ISBN-13: 978-0-395-97526-8, ISBN: 0-395-97526-3 |
Peterson Field Guide to Western Birding by Ear(Abridged) by Robert W. Lawson, Richard K. Walton, Houghton Mifflin Paperback, Published 1994 by Houghton Mifflin Audiobook ISBN-13: 978-0-395-71257-3, ISBN: 0-395-71257-2 |
Birds of the Sudbury River Valley(1st Edition) An historical perspective by Richard K. Walton Paperback, 220 Pages, Published 1984 by Massachusetts Audubon Society ISBN-13: 978-0-932691-00-2, ISBN: 0-932691-00-5 |
Quiz Birds, Volume 1. DVD by Richard K. Walton, Greg Dodge Published 2000 by Brownbag Productions ISBN-13: 978-1-888814-12-5, ISBN: 1-888814-12-8 |
2 National Audubon Society Pocket Guide to Songbirds and Familiar Backyard Birds: Eastern Region (National Audubon Society Pocket Guides) by Wayne R. Petersen, National Audubon Society, Richard K. Walton Paperback, 192 Pages, Published 1994 by Alfred A. Knopf ISBN-13: 978-0-679-74926-4, ISBN: 0-679-74926-8 |
Bird Finding in New England(1st Edition) (Godine Guide, No 5) by Richard K. . Walton Paperback, 328 Pages, Published 1988 by David R Godine Pub ISBN-13: 978-0-87923-726-4, ISBN: 0-87923-726-0 |
Peterson Field Guide to Backyard Bird Song by Richard K. Walton, Robert W. Lawson, Roger Tory Peterson Audio, 32 Pages, Published 1994 by Houghton Mifflin Audiobook ISBN-13: 978-0-395-71256-6, ISBN: 0-395-71256-4 |
Birding by Ear Eastern/Central : A Guide to Bird-Song Identification (Peterson Field Guide Series) by Richard K. Walton, Robert W. Lawson, Roger Tory Peterson Audio, Published 1994 by Houghton Mifflin Audiobook ISBN-13: 978-0-395-71258-0, ISBN: 0-395-71258-0 |
More Birding by Ear A Guide to Bird-Song Identification : Eastern/Central (Peterson Field Guide Series) by Richard K. Walton, Robert W. Lawson, Roger Tory Peterson Audio, 3 Pages, Published 1994 by Houghton Mifflin Audiobook ISBN-13: 978-0-395-71259-7, ISBN: 0-395-71259-9 |
More Birding by Ear Eastern and Central North America(Abridged) A Guide to Bird-song Identification (Peterson Field Guide Audios) by Richard K. Walton, Robert W. Lawson, Roger Tory Peterson Audio, 64 Pages, Published 2000 by Houghton Mifflin Harcourt Abridged, Audiobook, Cd ISBN-13: 978-0-618-22592-7, ISBN: 0-618-22592-7 |
Birding by Ear(Abridged) Western North America (Peterson Field Guide Audios) by Richard K. Walton, Robert W. Lawson, John Sill, Roger Tory Peterson, Houghton Mifflin Company Audio, 64 Pages, Published 1999 by Houghton Mifflin Harcourt Abridged, Audiobook, Cd ISBN-13: 978-0-395-97525-1, ISBN: 0-395-97525-5 |
A Field Guide to Backyard Bird Song Eastern and Central North America (Peterson Field Guide Audio Series) by Robert W. Lawson, Richard K. Walton, Roger Tory Peterson Audio, 32 Pages, Published 1999 by Houghton Mifflin Harcourt Audiobook, Cd ISBN-13: 978-0-395-97528-2, ISBN: 0-395-97528-X |
Poverty and Poverty Alleviation Strategies in North America (David Rockefeller Center Series on Latin American Studies) by Mary Jo Bane, Richard Elmore, Michael Walton, Miguel Szekely, René Zenteno, Sandra K. Danziger, Gonzalo Hernandez-Licona, Carlos Munoz-Izquierdo, Guadalupe Villarreal-Guevara, Agustin Escobar Latapi, Contributor-Car Paperback, 300 Pages, Published 2009 by David Rockefeller Center For Latin American Studies ISBN-13: 978-0-674-03537-9, ISBN: 0-674-03537-2 |
More Birding By Ear Eastern and Central North America A Guide to Bird-song Identification (Peterson Field Guides(R)) by Richard K. Walton, Roger Tory Peterson, Robert W. Lawson Audio, 1 Pages, Published 1999 by Houghton Mifflin Audiobook ISBN-13: 978-0-395-97530-5, ISBN: 0-395-97530-1 |
Richard Walton