Hayward Pump postcard, 1901-1907, A2025-007-001, Box: 2, Folder: 1. Scottish Rite Masonic Museum & Library.
Hayward Pump postcard, 1901-1907, A2025-007-001, Box: 2, Folder: 1. Scottish Rite Masonic Museum & Library. https://srmml.libraryhost.com/repositories/2/resources/3342 Accessed May 14, 2026.
