Marsden Hartley, Maine Mountains, Autumn, c. 1910, Oil on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36961

Marsden Hartley, Mountain Crest, The Alps, 1933, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35949

Marsden Hartley, Study for Prayer on Park Avenue, 1942, Crayon on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33932