Audiovisual aids for teaching about the geography of North, Central and South America, Africa, Asia and Australasia, that may be bought or rented from suppliers in Britain, are listed in this 150-page catalog. Audiovisual materials available include films, filmstrips, slides, overhead projector transparencies, wallsheets, prints, records, tapes, and teaching kits. Each catalog entry describes the materials, their educational level, where they are available, and at what cost. The catalog is part four of an eight part series. (MG)