00862cam a2200229 4500 547803426 TxAuBib 19990602120000.0 990602s1968||||||||||||||||||||||||eng|u 68028340 //r892 DLC DLC DLC TxAuBib Shelton, William Roy. Man's conquest of space / by William R. Shelton. Foreword by James E. Webb. Washington : National Geographic Society, [1968] 199 p : illus., ports. (all part col.) ; 26 cm. "Prepared by National Geographic Special Publications Division.". Bibliography: p. 199. 19990602. Astronautics Popular works. Outer space Exploration. National Geographic Society (U.S.), Special Publications Division.