ENVIRONMENT OF MAN. Set 1: Ecology and environment (Filmstrip) Avi Associates. 5 filmstrips, color, 35 mm. Contents: Is there life on earth? 67 fr.--The ocean of air. 66 fr.--Water -- clear and otherwise. 68 fr.--Of food and land. 67 fr.--Energy applied. 68 fr. © Avi Associates, Inc.; 5Oct70; JU12687.
ENVIRONMENT OF MAN. Set 2: Man and nature (Filmstrip) Avi Associates. 5 filmstrips, color, 35 mm. Contents: Population -- the numbers game. 63 fr.--Concrete habitat. 68 fr.--The busy-body. 60 fr.--Unthinking man. 66 fr.--Man: the builder. 63 fr. © Avi Associates, Inc.; 5Oct70; JU12688.
THE ENVIRONMENT OF MAN, AN INTRODUCTION TO ECOLOGY (Filmstrip) Educational Coordinates & Graphicom. 4 filmstrips, color, 35 mm. With Teaching guide, 7 p., & Script, 1 v. Contents: What is ecology? 42 fr.--What is an ecosystem? 54 fr.--How does nature change ecosystems? 45 fr.--How does man change ecosystems? 64 fr. © Educational Coordinates & Graphicom, a sole proprietorship of Paul M. Honore; 15Jun70; A178266.
ENVIRONMENTAL TEST TECHNICIANS. See
A DIRECTION FOR TOMORROW.
LA EPOCA PRECORTESANA (The Mexican epic from conquest to nation) (Filmstrip) Educational Filmstrips. 5 filmstrips, color, 35 mm. (Mexico en su historia) With Filmstrip manual, 18 p. Contents: Los remotos comienzos. 57 fr.--Era clasica mexicana. 58 fr.--Era clasica Maya. 56 fr.--Los Toltecas. 59 fr.--Los Aztecas. 57 fr. By Sidney & Mary Lee Nolan; translated & edited by Carlos H. Monsanto. © Educational Filmstrips; 1Sep70; JP12648.
EQUATIONS OF STRAIGHT LINE (Filmstrip) Mt. San Jacinto College. 36 fr., color, 35 mm. (Math) Planned & written by Victor Burgard. © Mt. San Jacinto College a.a.d.o. Mt. San Jacinto Junior College District (in notice: Mt. San Jacinto College); 1Jan69; JP12521.
EQUATORIAL REGION. See
THE SCULPTURE OF BLACK AFRICA.
ERA CLASICA MAYA. See