Audiovisual teaching aids for economics and for general physical and economic geography, that may be bought or rented from suppliers in Britain, are listed in this 180-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 three of an eight part series. (MG)