Holt, Rinehart and Winston,

Holt, Rinehart and Winston,

J.S. Bentley,

Wyoming Agricultural Extension Service, University of Wyoming,

University of Oklahoma Press,

American Library Association,

St Martin's Press,

Want Pub. Co.,

U.S. Environmental Protection Agency, Air and Radiation : For sale by the U.S. G.P.O., Supt. of Docs.,

Country School Legacy,

Little, Brown,

University Press of Kansas,