THIS IS PUERTO RICO (Filmstrip) Discovery Enterprises. 53 fr., color, 35 mm. English & Spanish.

Credits: Educational consultant, Donald R. Haener.

© Robert E. Connors & Donald R. Haener d.b.a. Discovery Enterprises; 30Aug71; JP13415.

THIS IS THE HOUSE THAT JACK BUILT. National Film Board of Canada. Released by Columbia Pictures Corp. 8 min., sd., color, 35 mm. © National Film Board of Canada; 1Nov68; LP39960.

THIS LAND IS. Southern Illinois University. 61 min., sd., color, 16 mm.

Credits: Director, writer & editor, W. Craig Hinde; photographers, Loren Cocking, Howard Cotton, Craig Hinde Frank Paine.

© Southern Illinois University; 1Sep69; MP21990.

THIS UNIQUE BIT OF LIFE -- HOW TREES AFFECT OUR ENVIRONMENT (Filmstrip) American Forest Institute. Made by Guidance Associates of Pleasantville, New York. 84 fr., color, 35 mm. With Program instructions & script, 13 p.

Credits: Producer, Gary Goldberg; writer, Arthur Kaplan; photographers, Jeffrey Faxx & William Hubbell; editor, Marvin Karp.

© American Forest Institute; 7Oct71; A282398.