International Mission Photography Archive - IMPAHosted by the USC Digital Library, IMPA brings together images, ca. 1860 to ca. 1960, from many leading missionary society archives and research library collections. Some collections will also be available for viewing through their parent organization's websites. Includes more than 91,000 images from missions in Africa, with a large number of images from the Basel Mission, Danmission (Church of Denmark), Défap (Paris Evangelical Missionary Society), and Catholic Foreign Missionary Society of America.