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America in civilization designed as a text-book for college and university use in courses introducing students to life

By Turner, Ralph Edmund.
New York A.A. Knopf 1925 .
xiv p., 1 b., 411 p. 24 cm..

Las grandes culturas de la humanidad

By Turner, Ralph Edmund.
México Fondo de Cultura Economica 1948 .
2 v. , Translation of : The great cultural traditions; the foundations of civilization. | Includes index. 24 cm..