The secret of the Peruvian quipus
By: by Erland Nordenskiöld
Contributors: Fuhrken, George Ernest, tr; Fuhrken, George Ernest, translator
Series: Comparative ethnographical studies -- 6
Publisher: Erlanders Boktryckeri Aktiebolag
Published: 1925
Place of publication: Göteborg
Language: eng
Subjects: Quipu; Incas; Mathematics; Indians of South America
Other titles: Calculations with years and months in the Peruvian quipus; Calculations with years and months in the Peruvian quipus.
Notes: English translation by Dr. G. E. Fuhrken.

Includes bibliographical references.