*Matching quipus from the Harvard Khipu Database Project
khipukamayuq.fas.harvard.edu/KGPuruchuco.html
khipukamayuq.fas.harvard.edu/KGPuruchuco.html
REFERENCES:
Museo Chileno Arte de Columbino
www.precolombino.cl/en/exposiciones/exposiciones-temporales/exposicion-quipu-contar-anudando-en-el-imperio-inka-2003/
www.precolombino.cl/en/exposiciones/exposiciones-temporales/exposicion-quipu-contar-anudando-en-el-imperio-inka-2003/
Locke, L. Leland "The Ancient Quipu, a Peruvian Knot Record". American Anthropologist. Vol. 14, No. 2 April-June 1912, pp. 325-332.
www.jstor.org/stable/659935?seq=3#metadata_info_tab_contents
www.jstor.org/stable/659935?seq=3#metadata_info_tab_contents
Encyclopedia Britannica: Quipu
www.britannica.com/technology/quipu
www.britannica.com/technology/quipu