Link to the Image Source
Art Institute of Chicago

Artwork Details 

Title: The Solemn Pledge, Taos Indians
Dated: c. 1915
Medium: oil on canvas
Dimensions: 101.9 x 92.1 cm (40 1/8 x 36 1/4 in.)
Location: Art Institute of Chicago
City, State: Chicago, IL
Notes:
Friends of American Art Collection