TY  - BOOK
AU  - Henry,Nelson B
ED  - National Society for the Study of Education (Estados Unidos)
TI  - Social studies in the elementary school: the fifty-six yearbook of the National Society for the Study of Education 
AV  - LB 1530 S62.1958
PY  - 1958///
CY  - Chicago
PB  - The University of Chicago
KW  - Educación primaria
KW  - Ciencias sociales
KW  - Estudio y enseñanza (Elemental)
N1  - Incluye índice
ER  -