J.P. Duyvendak (1897-1946) was docent aan de A.M.S. van Soerakarta, Jogjakarta en Batavia en hoogleraar Etnologie aan de Rechtshogeschool in Batavia. Zijn archief bevat correspondentie, documenten over leven, loopbaan en kamptijd van Duyvendak en zijn vrouw C.R.E.C. Reijnst en publicaties van Duyvendak.

J.P. Duyvendak (1897-1946) was teacher at the general high schools of Surakarta, Jogjakarta and Batavia and professor Ethnology at the College of Law in Batavia. His archive contains correspondence, documents about the life, career and internment of Duyvendak and his wife C.R.E.C Reijnst and publications of Duyvendak.