Smoking Apache, Taos
Grand Rapids Art Museum
Peter and Pat Cook collection
One Hundred and Third Annual Exhibition
Mathias J. Alten: Journey of an American Painter
Unending Frontier: Art of the West
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)
Gerdts, William H., "Mathias J. Alten," American Art Review, December 1998.
Hassrick, Peter H., Unending Frontier: Art of the West (Norman, Oklahoma: Grand Rapids Art Museum in Association with Charles M. Russell Center for the Study of Art of the American West, University of Oklahoma, Norman, 2000) .
Falk, Peter Hastings (Editor), Annual Exhibition Record of the National Academy of Design 1901 - 1950 (Sound View Press, 1990) .
No author noted, "Alten Finds Influence of Old Spain in New Mexico...," The Grand Rapids Press, December 2, 1927, .
