• 1 Books
• 1 Videos, Slides, Films

• 1 DVDs

• 1 Indians of Mexico
• 1 Mayas

• 1 Editorial Océano de México
• 1 International Geographical Congress (27th : 1992 : Washington, D.C.)
• 1 Karns, Fred
• 1 National Geographic Society (U.S.)
• 1 Prentice, Patrick
• 1 Swanson, Winfield
• 1 Weber, Christine

• 2 English
• 1 Spanish

• 1 Central America
• 1 México

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