Los libros de texto de las escuelas primarias de América.
By: [Preparado por Hugo Albornoz]
Contributors: Pan American Union. Dept. of Educational Affairs
Publisher: Departamento de Asuntos Educativos, Unión Panamericana
Published: 1964
Place of publication: Washington
Language: spa
Number of pages: 60
Subjects: Textbooks -- America
Notes: Bibliography: p. 50-60