Certificate issued to Coseer A. Kettell by Friendship Lodge, No. 20, 1911, A2022-293-001, Box: 1. Scottish Rite Masonic Museum & Library.
Certificate issued to Coseer A. Kettell by Friendship Lodge, No. 20, 1911, A2022-293-001, Box: 1. Scottish Rite Masonic Museum & Library. https://srmml.libraryhost.com/repositories/2/resources/188 Accessed November 27, 2025.
