Proceedings of the eighth American scientific congress held in Washington May 10-18, 1940, under the auspices of the government of the United States of America ... Economics and sociology
.American Scientific Congress
(1940-1940);Oehser, Paul Henry
(1940-...);United States. Dept. of State. Division of international conferences
.Washington :
, 1943. U.I.: ADORF. (M) Libros
Pérgamo OPAC Web