Field Guides:

Corkran, Charlotte C. and Chris Thoms. 1996. Amphibians of Oregon, Washington, and British Columbia. Lone Pine Publishing, Edmonton.

Leonard, William P, H.A. Brown, L.L.C. Jones, K.R. McAllister, and R.M. Storm. 1993. Amphibians of Washington and Oregon. Seattle Audubon Society, The Trailside Series. Seattle, WA.

Other Books:

Green, David M. and R. Wayne Campbell. 1984. The Amphibians of British Columbia. British Columbia Provincial Museum Handbook No. 45.

Green, D.M. ed. 1997. Amphibians in Decline: Canadian studies of a global problem. Herpetological Conservation 1. Society for the Study of Amphibians and Reptiles.

Heyer, W.R., M.A. Donelly, R.W. McDairmid, L.C. Hayek, and M.S. Foster. 1994. Measuring and Monitoring Biological Diversity: Standard Methods for Amphibians. Smithsonian Institution Press, Washington, D.C.

Nussbaum, Ronald A., E.D. Brodie, Jr, and R.M. Storm. 1983. Amphibians and Reptiles of the Pacific Northwest. University of Idaho Press, Moscow, Idaho.

Olson, D., W.P. Leonard, and R.B. Bury, eds. 1997. Sampling Amphibians in Lentic Habitats: Methods and Approaches for the Pacific Northwest. Northwest Fauna No. 4. Society for Northwestern Vertebrate Biology, Olympia, WA.

Phillips, Kathryn. 1994. Tracing the Vanishing Frogs. St. Martin's Press, New York.

Journal Articles:
Most of these journals are available at your local public or college library.

Blaustein, Andrew R. and David B. Wake. 1995. The Puzzle of Disappearing Amphibian Populations. Scientific American, v272, n4, 52(6); April 1995.

Blaustein, Andrew R., David B. Wake, and Wayne P. Sousa. 1994. Amphibian Declines: Judging Stability, Persistence, and Susceptibility of Population to Local and Global Extinction. Conservation Biology, v8, n1, 60(11); March 1, 1994.

Blaustein, Andrew R., Peter D. Hoffman, D. Grant Hokit, Joseph M. Kiesecker, Susan C. Walls, and John B. Hays. UV Repair and Resistance to Solar UV-B in Amphibian Eggs: A Link to Population Declines? Proceedings of the National Academy of Sciences, v91, n5, 1791(4); March 1, 1994.

Livermore, Beth. 1992. Amphibian alarm: Just where have all the frogs gone? Smithsonian, 113(8); Oct., 1992.

Pechmann, Joseph H. and Henry M. Wilbur. 1994. Putting Declining Amphibian Populations in Perspective: Natural Fluctuations and Human Impacts. Herpetologica, v50, n1, 65(19); March 1994.

Phillips, Kathryn. 1990. Frogs in Trouble. International Wildlife, v20, n6, 4(8); Nov.-Dec. 1990.

Pounds, J. Alan and Martha L. Crump. 1994. Amphibian Declines and Climate Disturbance: The case of the Golden Toad and Harlequin Frog. Conservation Biology, v8, n1, 72(13); march 1, 1994.

Spencer, Cathy. 1990. One Giant Leap. Omni, v13, n1 25(1); Oct. 1990.

Wake, David B. 1991. Declining Amphibian Populations. Science, v253, page 680; August 23, 1991.

Yoffe, Emily. 1992. Silence of the Frogs. New York Times, 33,64,66,76; December 1992.

Young, Stephen. 1990. Twilight of the Frogs. New Scientist, 76(1); April 21, 1990.

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