Search for: Title Author Subject Series that begins with: 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings > Browse Headings # Inventions. 68 SEE ALSO: Research, Industrial 2 SEE ALSO narrower term: Technological innovations 77 Inventions -- Africa. 1 Inventions -- Caricatures and cartoons. 1 Inventions -- China 1 Inventions -- Comic books, strips, etc. 1 Inventions -- Defects -- History -- Popular works. 1 Inventions -- Design and construction. 1 Inventions -- Drama. 8 Inventions -- Economic aspects -- History. 1 Inventions -- Encyclopedias. 1 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings >