“The March of Civilization in Maps and Pictures” by C.S. Hammond & Company, 1959

“The March of Civilization in Maps and Pictures” by C.S. Hammond & Company, 1959, Box: 6. Eileen Peters, Compiler, Genealogy, A&M 3281. West Virginia and Regional History Center. https://archives.lib.wvu.edu/repositories/2/archival_objects/140431 Accessed December 04, 2025.