- Discoverers Web: Orellana
 - Profile of the Spanish adventurer who accomplished the first descent of the Amazon River. - Orellana and the Amazons
- Description and map of Orellana's expedition down the Amazon River.
- PBS: Conquistadors
- Online companion to the series examining the explorations of Cortes, Orellana, Cabeza de Vaca, and Pizarro. Also offers an online learning adventure for students and teachers.
- Wikipedia: Francisco de Orellana
- Hyperlinked article devoted to the Spanish explorer who sailed the length of the Amazon River in 1541-42.
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