Charles Sumner memorial collection, 1874, A2002-118-002, Box: 5, Folder: 1. Scottish Rite Masonic Museum & Library.
Charles Sumner memorial collection, 1874, A2002-118-002, Box: 5, Folder: 1. Scottish Rite Masonic Museum & Library. https://srmml.libraryhost.com/repositories/2/resources/2937 Accessed November 26, 2025.
