Search for: Title Author Subject Series that begins with: 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings > Browse Headings # Research 75 SEE ALSO narrower term: Animal experimentation. 22 SEE ALSO narrower term: Discoveries in science. 65 SEE ALSO: Information services. 14 SEE ALSO: Learning and scholarship. 14 SEE ALSO narrower term: Marketing research 12 SEE ALSO: Methodology. 8 Research aircraft. 6 Research aircraft -- Drama. 3 Research aircraft -- History 1 Research aircraft -- Juvenile literature 1 Research aircraft -- Soviet Union -- History 1 Research aircraft -- United States. 2 Research aircraft -- United States -- History. 1 Research aircraft -- United States -- Juvenile literature. 4 Research and development contracts. 1 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings >