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"Inca Empire." Aztec,maya and Inca. Ducksters, 15 Mar. 2016. Web. 12 May 2016.
Adams, Mark. "Top 10 Inca Ruins." National Geographic Traveler. Nationalgeographic.com, 3 June 2012. Web. 20 May 2016.
Alchin, Linda. "Medieval Religion." Medieval Era and Period. Medieval-life-times.info, June 2014. Web. 20 May 2016.
Incan Family Unit." Americas Folder. Westmiffinmoritz, n.d. Web. 20 May 2016.
"Inca Empire." Aztec,maya and Inca. Ducksters, 15 Mar. 2016. Web. 12 May 2016.
Adams, Mark. "Top 10 Inca Ruins." National Geographic Traveler. Nationalgeographic.com, 3 June 2012. Web. 20 May 2016.
Alchin, Linda. "Medieval Religion." Medieval Era and Period. Medieval-life-times.info, June 2014. Web. 20 May 2016.