Royal Arcanum postcard, 1906, A2025-078-001, Box: 2. Scottish Rite Masonic Museum & Library.
Royal Arcanum postcard, 1906, A2025-078-001, Box: 2. Scottish Rite Masonic Museum & Library. https://srmml.libraryhost.com/repositories/2/resources/4397 Accessed October 04, 2025.
