A Field Guide To The Birds - Eastern Land and Water Birds

Peterson, Roger Tory • ©1934, 1939, and 1947 by Roger Tory Peterson • ISBN 0-395-08083-5

A Field Guide To Grasshoppers, Katydids, And Crickets of The United States

Capinera John L., Scott Ralph D., Walker Thomas J. • ©2004 by Cornell University • ISBN 0-8014-4260-5

All The Birds of North America

Griggs, Jack L. • American Bird Conservancy • ©1997 by Jack L. Griggs • ISBN 0-06-273028-2

Beginners Guide To Dragonflies (Stokes)

Nikula, Blair - Sones, Jackie - Stokes, Donald & Lillian, ©2002 by Donald W. Stokes and Lillian Q. Stokes • ISBN 0-316-81679-5

Bird Tracks & Signs, A Guide To North American Species

Elbroch, Mark •Marks, Eleanor ©2001 by Stackpole Books • ISBN 0-8117-2696-7

Birds of North America - A New Focus On The Field

Kaufmann, Kenn • ©2000 Hillstar Editions L.C. • ISBN 0-395-96464-4

Birds of North America - Western Region

Alsop III, Fred J. • ©2001 DK Publishing, Inc. (Smithsonian Handbooks) • ISBN 0-7894-7157-4

Butterflies of North America

Glassberg, Jeffrey, ©2004 Barnes & Noble Publishing, Inc. • ISBN 0-7607-5865 • Approved by The North American Butterfly Association.

Butterflies of North America

Brock, Jim P. & Kaufman, Kenn, ©2003 Hillstar Editions L.C. • ISBN 0-618-15312 (Kaufman Focus Guides)

Butterflies of Oklahoma Kansas & North Texas

Dole, John M., Gerard, Walter B., Nelson, John M., ©2004 University of Oklahoma Press • ISBN 0-8061-3554-9

Caterpillars In The Field And Garden

Allen, Thomas J., Brock, Jim P., Glassberg, Jeffrey, ©2005 Glassberg Publications • ISBN 13:978-0-19-514987-6

Caterpillars of Eastern North America

Wagner, David L. ©2005 Princeton University Press • ISBN 0-691-12144-3

Common Birds And Their Songs

Elliott, Lang • Read, Marie • ©1998 NatureSound Studio • ISBN 0-395-91238-5

Date Guide To The Occurence Of Birds In Oklahoma

©2004 By the Oklahoma Ornithological Society • Oklahoma Bird Records Committee. 2004. Date Guide To The Occurence of Birds In Oklahoma. Fourth Edition. Oklahoma Ornithological Society, Tulsa, Oklahoma

Dragonflies and Damselflies of Texas and the South-Central United States

Abbott, John C., ©2005 Princeton University Press • ISBN 0-691-11363-7

Guide To Owl Watching In North America

Heintzelman, Donald S. • ©1984 by Donald S. Heintzelman • ISBN 0-8329-0361-2

Hawks, Eagles & Falcons of North America

Johnsgard, Paul A. ©1990 by the Smithsonian Institution • ISBN 0-87474-682-5

Hawks From Every Angle - How To Identify Raptors In Flight

Liguori, Jerry • ©2005 Princeton University Press • ISBN 10 ; 0-691-11825-6

Lives Of North American Birds

Kaufman, Kenn • ©1996 by Kenn Kafman • ISBN 0-395-77017-3

Moths of Eastern North America

Covell, Charles V. Jr., • ©1984, 2005 Charles V. Covell Jr. • Virginia Museum of Natural History • ISBN 1-884549-21-7

North American Wildlife (Reader's Digest)

Editor-Susan J. Werneert • © 1982 The Reader's Digest Association, Inc. • ISBN 0-89577-102-0

North America's Favorite Butterflies - A Pictorial Guide

Putnam, Patti and Milt • ©1997 Willow Creek Press • ISBN 1-57223-109-2

Oklahoma Breeding Bird Atlas

Reinking, Dan L. • ©2004 by the George M. Sutton Avian Research Center • ISBN 0-8061-3614-6

Oklahoma's Amphibians and Reptliles (A Field Guide To)

Sievert, Greg / Sievert, Lynnette ©2006 Oklahoma Department of Wildlife Conservation • ISBN 0-9776637-0-1

Pete Dunne on Bird Watching - The How To, Where To, and When To of Birding

Dunne, Pete • ©2003 by Pete Dunn • ISBN 0-395-90686-5

Peterson Field Guides - Birds of Eastern and Central North America

Peterson, Roger Tory • ©2002 by the Marital Trust B u/a • ISBN 0-395-74046-0

Peterson Field Guides - Eastern Birds' Nests

Harrison, Hal H. • ©1975 by Hal H. Harrison • ISBN 0-395-93609-8

Peterson Field Guides - Reptiles and Amphibians - Eastern/Central North America

Sibley, David Allen • ©2001 Chanticleer Press, Inc. • ISBN 0-679-45123-4

Peterson Field Guides - Warblers

Dubb, Jon • Garrett, Kimball • ©1997 by Jon L. Dunn and Kimball L. Garrett • ISBN 0-395-78321-6

Raptors of Eastern North America (The Wheeler Guide)

Wheeler, Brian K. • ©2003 by Princeton University Press • ISBN 0-691-11598-2

Raptors of Western North America (The Wheeler Guide)

Wheeler, BrianK. • ©2003 by Princeton University Press • ISBN 0-691-11599-0

Rare and Elusive Birds of North America

Burt, William • ©2001 William Burt • ISBN 0-7893-0638-7

Simon & Schuster's Guide To Insects

Arnett Jr., Dr. Ross - Jacques Jr., Dr. Richard L. • ©1981 by Simon & Schuster, A Division of Gulf & Western Corporation • ISBN 0-671-25013-2

Snakes Of North America -Eastern and Central Regions (Lone Star Field Guide)

Tennant, Alan • ©2003 by Alan Tennant • ISBN 1-58907-003-8

The Audubon Society Field Guide To North American Birds - Western Region

Udvardy Miklos D.F. •©1977 Alfred A Knopf Inc., New York • ISBN 0-394-41410-1

The Audubon Society Field Guide To North American Mammals

Whitaker Jr., John O. • ©1980 Chanticleer Press, Inc., New York • ISBN 0-394-50762-2

The Audubon Society Field Guide To North American Mushrooms

Lincoff, Gary H. • ©1981 Chanticleer Press, Inc., New York • ISBN 0-394-51992-2

The Audubon Society Field Guide To North American Wildflowers - Eastern

Niering and Olmstead • ©1979 Alfred A Knopf Inc., New York • ISBN 0-394-50432-1

The Encylopedia of North American Birds

Vanner, Michael • ©2003 Barnes & Noble Books • ISBN 0-7607-3460-7

The Sibley Guide To Birds

Sibley, David Allen ©2000 Chanticleer Press, Inc. • ISBN 0-679-45122-6

The Sibley Guide To Bird Life & Behavior

Sibley, David Allen • ©2001 Chanticleer Press, Inc. • ISBN 0-679-45123-4

Weeds - A Golden Guide From St. Martin's Press

Martin, Alexander C. • ©1987, 1972 by St. Martin's Press • ISBN 1-58238-160-7

Wildlife Watcher's Handbook

Hanenkrat, Frank T. • ©1977 by Frank T. Hanenkrat • ISBN 0-87691-306-0