Principles and Methods
Illus. with photos. Moscow: Foreign Languages Publishing House, 1952. 16mo. Wraps. 166 p. [36449]
Illus. with photos. Moscow: Foreign Languages Publishing House, 1952. 16mo. Wraps. 166 p. [36449]
Illus. with photos. Moscow: Foreign Languages Publishing House, 1953. 16mo. Wraps. 61 p. [36450]