libros de texto de las escuelas primarias de America.
Contributors: Albornoz, Hugo
Publisher: Departmento de Asuntos Educativos, Union Panamericana
Published: 1964
Place of publication: Washington, D.C
Language: spa
Number of pages: 60
Subjects: Textbooks -- Latin America.; Textbooks -- United States.
Notes: "Preparado por Hugo Albornoz."

Includes bibliographical references (p. 50-60)