Mahlon Duckett to Joel Meltzer, October 10, 1991, MSSP0012-01, Box: Box 1, Folder: 1. Negro Leagues Players Letters Collection, MSSP_0012. University of Notre Dame Rare Books & Special Collections. https://archivesspace.library.nd.edu/repositories/3/archival_objects/2232087 Accessed January 28, 2026.