Manuel Angeles Ortiz, Sketch for lithograph In the Open Country, 1941, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37996

Manuel Angeles Ortiz, Sketch for lithograph In the Open Country, 1941, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38000

Manuel Angeles Ortiz, Sketch for lithograph In the Open Country, 1941, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38004