Dòng Nội dung
1
People in time and place : Eastern hemisphere / Kenneth S. Cooper.
Morristown, N.J. : Silver Burdett and Ginn, c1991
660 p. : ill., maps ; 26 cm.
2
The world yesterday and today / Kenneth S. Cooper, Gary S. Elbow.
Morristown, N.J. : Silver Burdett & Ginn, c1988.
630 p. : ill. (some col.) ; 28 cm.