TY  - BOOK
AU  - Tignor, Robert
AU  - Adelman, Jeremy
TI  - Worlds Together, Worlds Apart: a History of the World from the Beginnings of Humankind to the Present 
SN  - 9780393937770
U1  - 909 23
PY  - 2008///
CY  - New York
PB  - W.W. Norton & Company
KW  - World history
KW  - Sources
N1  - Includes bibliographical references
ER  -