Julio Montenegro, Field, c. 1928, Watercolor and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37947

Julio Montenegro, To Work Is to Pray (Laborar es orar), c. 1928, Colored ink, watercolor, and colored pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37951

Julio Montenegro, Solidarity!! (Solidaridad!!), 1928, Watercolor and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37954