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U.S. Government Films - a Catalog of Motion Pictures and Filmstrips for Sale by the National Audiovisual Center

出版	National Archives and Records Service, General Services Administration, 1969
URL	http://books.google.com.hk/books?id=xqGBswEACAAJ&hl=&source=gbs_api

註釋Directory of audiovisual aids, with particular reference to films for sale by the national audiovisual center of the USA - comprises an annotated bibliography of motion pictures and filmstrips (incl. Prices) on agriculture, transport, management, education, medicine, human relations, electrical machinery, maritime questions, defence issues, occupational safety, job descriptions of production processes in the electronics industry and the woodworking industry, etc.