TY  - BOOK
AU  - Madariaga,Salvador de
TI  - Christopher Columbus: being the life of the very magnificent lord, Don Cristóbal Colón 
U1  - xxxx 
PY  - 1940///
CY  - New York
PB  - The Macmillian Company
N1  - Bibliografía :p. 412-416
ER  -