Loza, Carmen Beatriz Department Structural Changes in Systems of Knowledge, Max Planck Institute for the History of Science, Max Planck Society;
https://www.digi-hub.de/viewer/image/1501143206107/513/LOG_0200/ (Any fulltext)
Loza, C. B. (1999). Quipus and quipolas at the Museum für Völkerkunde, Berlin. Genesis of a reference collection (1872-1999). Baessler-Archiv, 47, 39-75.