Search for: Title Author Subject Series Call number that begins with: 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings > Browse Headings # Research 41 SEE ALSO narrower term: Discoveries in science 56 SEE ALSO narrower term: Experimental design 3 SEE ALSO narrower term: Intelligence service 52 SEE ALSO narrower term: Intelligence service 52 SEE ALSO narrower term: Interdisciplinary research 1 SEE ALSO narrower term: Operations research 2 SEE ALSO narrower term: Proposal writing in research 2 SEE ALSO narrower term: Quantitative research 5 SEE ALSO narrower term: Research, Industrial 3 Research aircraft. 3 SEE ALSO narrower term: X-33 (Research plane) 1 SEE ALSO narrower term: X-34 (Research plane) 1 SEE ALSO narrower term: X-48 (Research plane) 1 Research aircraft -- Germany -- Juvenile literature. 1 Research aircraft -- Juvenile literature. 2 Research aircraft -- Models -- United States. 1 Research aircraft -- Soviet Union. 1 Research aircraft -- United States. 4 Research aircraft -- United States -- History -- Sources. 2 Research aircraft -- United States -- Juvenile literature. 2 Research and development contracts. 1 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings >