TY  - BOOK
AU  - Crosby,Alfred W.
TI  - The Columbian exchange: biological and cultural consequences of 1492 
SN  - 0837172284
AV  - E98 .D6C7
PY  - 1972///
CY  - Westport
PB  - Greenwood
KW  - Indians
KW  - Diseases
N1  - Includes bibliography and index
ER  -