Where Have All the Birds, Trees, Water and Air Gone. O. Segerberg , McKay, New York (1971).
9.
Wildlife In Danger. R. Pinney , Hawthorn, New York (1966). Adult books::
10.
- Ecology.E.P. Odum , Holt, Rinehart and Winston, New York (1963).
11.
- Fundamentals of Ecology. E.P. Odum , W.B. Saunders , Philadelphia ( 1971).
12.
.- Environmental Quality. U.S. Government Printing Office (1971).
13.
- What's EcologyL. McCombs , Addison Wesley Publishing Co., Menlo Park, CA (1971).
14.
- Man Builds, Man Destroys. O. Segerberg , The New York State Education Department , Albany, N.Y. 12227. (An outstanding instructional television series with printed lesson and extensive bibliographies.)
15.
- Living Things Depend On Each Other. Encyclopedia Britannica Educational Corporation, Chicago ( 1967).
16.
- What Is Ecology?Encyclopedia Britannica Educational Corporation , Chicago (1962).
17.
- Boomsville. Learning Corporation of America.
18.
- The Lorax. A Dr. Seuss Film. Learning Corporation of America.
19.
- Animal Predators and the Balance of Nature . Journal Films ( 1966).