Books about Ecuador -- Description and travel
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The Andes and the Amazon; Or, Across the Continent of South America
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Historical and Descriptive Narrative of Twenty Years' Residence in South America (Vol 1 of 3)
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Historical and descriptive narrative of twenty years' residence in South America (Vol 2 of 3)
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Historical and descriptive narrative of twenty years' residence in South America (Vol 3 of 3)
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Hochtouren im tropischen Amerika (German)