The secret of the Peruvian quipus /
Erland Nordenskioeld ; English translated by G. E. Fuhrken
- [Goteborg] : [Elanders Boktryckeri Aktiebolag], [1925]
- 2 v. : ill., plates (part. fold.) ; 24 cm.
- His comparative ethnographical studies ; 6, pt. 1-2 .
Title varies : pt. 2. Calcutaion with years and months in the Peruvian quips Include bibl. (pt. 2)