What I get out of Making School Desks September 1921 cover illustrating an article in The Commonwealth: A magazine for workers painted by Mathias Alten.

John Segar, cabinet maker Grand Rapids Chair Co. October 1921 cover illustrating an article in The Commonwealth: a magazine for workers painted by Mathias Alten

The making of automobile tires August 1921 cover illustrating an article in The Commonwealth: A magazine for workers painted by Mathias Alten.

Newspaper photograph of Mathias and Bertha Alten and Mrs. John Cusick in gondola in Venice Italy. Alten was painting in Italy the summer of 1922.

Scene in Wolverine Brass Works Grand Rapids, Michigan, February 1921 cover illustrating an article in The Commonwealth: A magazine for workers painted by Mathias Alten.

Wheels--The world's oldest, greatest and simplest invention"" April 1921 cover illustrating an article in The Commonwealth: A magazine for workers painted by Mathias Alten.

Sketch of Mathias Alten by Ray Barnes, published in the Grand Rapids Press. One illustration used in article, ""G.R. artist began his notable career near inspiring German miracle spring.""

Sketch of drawing class by Mathias Alten. captioned ""Mr. Alten's life class at work, with well draped model posing, from a sketch by Alten.""

Diary kept by Camelia Alten, daughter of artist Mathias Alten, during her senior year at Central High School in Grand Rapids, Michigan from January 1, 1917 through July 2, 1917. In it she chronicles the details of her school, family, and social life.…