Item appears in the following exhibition page
Students playing with a very large ball in front of Butler Library as part of the 1947 Soph-Frosh Rush.
Manny Warman, Columbia University
Historical Photograph Collection;Box 199; Folder 29 (SASL-Traditions -Rushes-1947)
Manny Warman, Columbia University, “Soph-Frosh Rush,” Columbia University Libraries Online Exhibitions, accessed December 13, 2017, https://exhibitions.cul.columbia.edu/exhibits/show/butler75/item/676.