TY  - BOOK
AU  - Gillete,Henry S.
TI  - Leonardo da vinci: pathfinder science 
SN  - 14010
U1  - B G41l 
PY  - 1962///
CY  - New York
PB  - Franklin Watts Inc, 
KW  - Leonardo da Vinci
KW  - Biography
N1  - Index
ER  -