Jabarkan Lihat pula dari Imperium Spanyol

Library of Iberian Resources Online, Stanley G Payne A History of Spain and Portugal vol 1 Ch 13 "The Spanish Empire"

The Mestizo-Mexicano-Indian History in the USA

Sizes of the largest Empires in History:"To Rule the Earth"

Documentary Film, Villa de Albuquerque

The last Spanish colonies (in Spanish)