Robert W. Johnson World War I photographs, 1636-606, Folder: 4. Robert W. Johnson World War I photographs, 1916-1919. Rhode Island State Archives.
Robert W. Johnson World War I photographs, 1636-606, Folder: 4. Robert W. Johnson World War I photographs, 1916-1919. Rhode Island State Archives. https://catalog.sos.ri.gov/repositories/2/resources/1678 Accessed January 20, 2021.