M.H. Calvert & Co., Crocker, William P., and Geo. H. Walker & Co. "Calvert's map of the lake region in New Hampshire, U.S.A." Map. Weirs, N.H.: M.H. Calvert & Co., of Calvert's Weirs Times and Tourists' Gazette, 1896. Norman B. Leventhal Map & Education Center, https://collections.leventhalmap.org/search/commonwealth:0r96fq04z (accessed April 23, 2024).