Item appears in the following exhibition page
"Theodore Shabad, assistant editor of the Gazetteer, checks data on source which include a Communist atlas published in 1950, and the China Postal Guide in both Chinese and English editions. "
Manny Warman, Columbia University
Historical Photograph Collection; Box 129; Folder 2 (Academics - Affiliated Institutions - Columbia University Press)
Manny Warman, Columbia University, “Checking Sources,” Columbia University Libraries Online Exhibitions, accessed March 21, 2018, https://exhibitions.library.columbia.edu/exhibits/show/butler75/item/658.