Bert Joseph Griswold et Mrs. Samuel R. Taylor, The Pictorial History of Fort Wayne, Indiana : A Review of Two Centuries of Occupation of the Region about the Head of the Maumee River, Robert O. Law Company, (lire en ligne), p. 664
Ronald L. Baker, From Needmore to Prosperity : Hoosier Place Names in Folklore and History, Indiana University Press, , 371 p. (ISBN978-0-253-32866-3, lire en ligne), p. 148
« This town was named for Joseph A. Grabill... »
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« Allen County », Jim Forte Postal History (consulté le )