060 L Laves, Walter Heman Carl, 1902- Unesco: purpose. progress, prospects [ by ] Walter H. C. Laves [and Charles A. Thonson. Bloomington, Indiana University Press, 1957. xxiii, 469 p. 24 cm "Constitution of the United Nations Educational Scientifie and Cultural Organization p. 415-425. "Provisions of United Nations Charter Aplicableto Unesco": p. 4-26-431. (Continua en la ficha 2)