No author noted, "Haying Time By Mathias Alten," Detroit News, February 17? 1925 .
No author noted, "Alten Offers New Local Art Goup ," The Grand Rapids Press, December 5, 1924, p. 29:2. "Haying Time" il.
No author noted, "Michigan Artists Hold Annual Exhibit," The Detroit Fee Press, February 1925, "Haying Time" ill.
Patricia Reed, Archivist/President of the Scarab Club, 2006, and Michael Crane, Assistant Curator of American Art, Detroit Institute of Arts, Compilers, "Exhibition Records, the Detroit Museum of Art and the Detroit Institute of Arts," .