Chicago Cubs vs Pittsburgh, 1957, BAS611-68-4, Box: 4, Folder: 68-4. Major League Baseball National League (NL) Team Programs and Scorecards Collection, BAS 611. University of Notre Dame Rare Books & Special Collections. https://archivesspace.library.nd.edu/repositories/3/archival_objects/2047293 Accessed October 14, 2024.