Sweeney, J. Gray "Mathias J. Alten (1871 -1938)," Exhibition Catalog (1979)
Gerdts, William H., M. Elizabeth Boone, Wendy Greenhouse and James A. Straub (Chronology), Mathias J. Alten: Journey of an American Painter (The Grand Rapids Art Museum, 1998)
No author noted, "Many West Michigan Scenes Are Beautifically Depicted in Mathias Alten's Art Exhibit," The Grand Rapids Press, November 29, 1934, p. 2, col.4.
Bernice Mancewicz, "The Alten Story: Long on Talent, Short on Recognition," The Grand Rapids Press, June 3, 1979, pg. 4-H, ill.
Smithsonian Institution Research Information System (SIRIS), "Alten, Mathias Joseph 1871-1938"