TY  - BOOK
AU  - Crosby,Alfred W.
TI  - The Columbian exchange: biological and cultural consequences of 1492 
T2  - Contributions in American studies, no. 2
SN  - 0837158214
AV  - RA 792 C949c 1972
U1  - 614.4/2/09 21
PY  - 1972///]
CY  - Westport, Conn.
PB  - Greenwood Pub. Co.
KW  - Medical geography
KW  - History
KW  - Biogeography
KW  - Indians
KW  - Agriculture
KW  - Diseases
N1  - Bibliography: p. 222-260
ER  -