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.

The making of automobile tires August 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

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.

Man repairing machine, December 1920 cover illustrating an article in The Commonwealth: A magazine for workers painted by Mathias Alten.

Muskiteeto and Modern Home Heating May 1921 cover illustrating an article in The Commonwealth: A magazine for workers painted by Mathias Alten.

Black and white photograph of a street artist painting a portrait of a customer in front of a gathering of people in Coney Island, New York. Scanned from the negative.

Black and white photograph of a street artist painting landscape paintings in front of a large crowd in Coney Island, New York. Scanned from the negative.

Studio portrait of Bertha Alten and children.

Mathias Alten and family at the beach in Holland Michigan.