Merrill, Robert H., 1881-1955, “Samuel Sprague stone, Pleasant St. Cem. Stoneham,” Digital Collections, accessed December 12, 2025, https://digitalcollections.library.gvsu.edu/document/49678.
Black and white photograph of the gravestone of Samuel Sprague which reads, "Here lyes Buried y Body of Mr. Samuel Sprague Who Departed -." The image is taken at an angle, and the carved words on the gravestone are worn.