Houston Astros vs Philadelphia, 1977, BAS611-121-1, Box: 6, Folder: 121-1. 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/2047577 Accessed June 02, 2024.