Dòng Nội dung
1
People in time and place : western hemisphere / Gary S. Elbow, Gerald Michael Greenfield.
Morristown, N.J. : Silver Burdett and Ginn, 1991.
630 p. : ill. ; 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.