TY  - BOOK
AU  - Johnson,Earl Shepard
TI  - Theory and practice of the social studies
AV  - H62 .J583
U1  - 307 
PY  - 1956///]
CY  - New York
PB  - Macmillan
KW  - Social sciences
KW  - Study and teaching
KW  - Local
ER  -