Pablo Picasso, Head of a Woman, spring 1909, Gouache, watercolor, and black and ochre chalks, manipulated with stump and wet brush, on cream laid paper, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/53111

Fernand Léger, Kneeling Nude, c. 1907–08, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37365

Pablo Picasso, Seated Female Nude, summer 1909, Watercolor and gouache, over graphite, on tan wove paper, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/79377

Pablo Picasso, Portrait of Fernande Olivier, 1906, Drypoint with plate tone on copper in black on ivory laid paper, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/41433

Pablo Picasso, Two Nudes, Standing, fall 1906, Graphite, with stumping, on cream laid paper, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/51364

Pablo Picasso, Fernande Olivier, summer 1906, Charcoal, with stumping, on cream laid paper, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/75420

Pablo Picasso, Woman with a Helmet of Hair, 1904, Gouache on tan wood pulp board, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/68414