TY  - BOOK
AU  - Oliver, Carl
AU  - xx, 686 p.
AU  - Sobel, Robert
AU  - Title
TI  - Our changing world: man, the world, and the social studies
SN  - 0008976543
PY  - 1969///
CY  - Palo Alto, California 
PB  - Laidlaw Brothers, Publishers
KW  - Geography
KW  - Textbooks
N1  - Includes index
ER  -