TY  - BOOK
AU  - Heiser Jr,Charles B.
TI  - Seed to civilization: the story of man's food 
SN  - 0716705931
U1  - 630.9 H473 1973 
CY  - 241 p.
PB  - 24 cm.
KW  - Agriculture
KW  - History
N1  - Includes references and index
ER  -