william_purdom_05 January 25, 2019January 25, 2019 Matthew Caulkins, Web Applications Program Manager Previous Next Amdo Province Chone children in traditional dress. Tao River Valley, Gansu Sheng, China. June 1911. Photographs of William Purdom – 1909-1912. Eastern Asian Historical Photograph Collections, Arnold Arboretum Horticultural Library Archives. Copyright © 2003, President and Fellows of Harvard College, Arnold Arboretum Archives; all rights reserved. Contact repository for permissions and fees.