Search for: Title Author Subject Series that begins with: 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings > Browse Headings # Closed-circuit television -- Design and construction. 1 Closed-circuit television -- Juvenile literature. 1 Closed-circuit television -- Periodicals. 1 Closed-circuit television -- Social aspects. 1 Closed cycle ecological systems -- SEE: Closed ecological systems 12 Closed cycles. 2 Closed ecological systems 12 Closed ecological systems (Space environment) 1 Closed ecological systems (Space environment) -- Fiction. 1 Closed ecological systems (Space environment) -- Juvenile literature. 1 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings >