Credits: Educational collaborators, Gilbert L. Twiest & Kenneth R. Mechling.

© Coronet Instructional Films, division of Esquire, Inc.; 2Jul71; JP13628.

INVESTIGATING VERTEBRATES (Filmstrip) Coronet Instructional Films. 6 filmstrips, color, 35 mm. With guide, 11 p.

Contents: What they are. 54 fr.--Fish. 50 fr.--Amphibians. 50 fr.--Reptiles. 53 fr.--Birds. 53 fr.--Mammals. 56 fr.

Credits: Production, M. George Jennings; script, Audrey J. Geis; educational collaborator, T. R. Porter; photography, Gilbert L. Twiest.

© Coronet Instructional Films, division of Esquire, Inc.; 23Aug71; JP13630.

INVISIBLE HOUSE FOR SALE. See

I DREAM OF JEANNIE. 103.

INVOLVEMENT. Franciscan Communications Center. 7 min., sd., color, 16 mm. A Teleketics presentation. © Franciscan Communications Center; 15Jan72; MP22513.

IRISH REBELLION (1920–1922) Thorne Films. 4 min., si., b&w, Super 8 mm. (The 8 mm. documents project, no. 344) Loop film.