Subject categories
Agriculture, Business, Commerce & Industry → Industries - United States
Documentary
Documentary → Documentary films - United States
Economics, Philosophy, Politics, Religion & Sociology → Technology - Social aspects
Education, Instruction, Teaching & Schools → Technology - Study and teaching
Educational & Instructional
Educational & Instructional → Educational films
History → Technology and civilization
Mathematics, Science & Technology → Microcomputers
Mathematics, Science & Technology → Technological innovations
Mathematics, Science & Technology → Technology - Social aspects
Mathematics, Science & Technology → Technology - Study and teaching
Mathematics, Science & Technology → Technology and civilization
Short films
Short films → Short films - United States