Jasper Johns, Watchman, 1966, Graphite wash, metallic pigment, pencil, and pastel on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36306

Jasper Johns, Voice, 1969, Graphite wash and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33667

Jasper Johns, Numbers, 1966, Graphite wash and pencil on colored paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33245

Jasper Johns, Jubilee, 1960, Graphite wash on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33980

Jasper Johns, Study for Memory Piece (Frank O'Hara), 1961, Pencil and charcoal on transparentized paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38147