TY  - BOOK
AU  - Walton, John.
TI  - Six more explorers: Vasco da Gama, Ferinard Magellan, Jacques Ca rtier, Mungo Park, Richard Burton, Roald Amundsen
U1  - P 910.8 W35 
PY  - 1949///
CY  - London
PB  - Oxford University Press
KW  - Explorers
ER  -