Roberts, B. B. Account Book, 1881 - 1887. SMHC Manuscript Collection 1344, Southern Minnesota Historical Center, Memorial Library, Minnesota State University, Mankato.

Roberts, B. B. Account Book, 1881 - 1887. SMHC Manuscript Collection 1344, Southern Minnesota Historical Center, Memorial Library, Minnesota State University, Mankato. https://archivesspace.lib.mnsu.edu/public/repositories/4/resources/327 Accessed November 15, 2024.