 Among others, longtime friend and aide Brigitte Sommer was instrumental in helping Koç University properly digitalize Powell's collection.Powell's artifacts and textiles are now part of the Sadberk Hanım Museum collection in Büyükdere, Istanbul.Other photographs (about 20,000) of ethnographic interest from her travels from 1951 to 1975 are at Harvard University, which she donated in 2002 to the Fine Arts Library at Harvard.