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

Pablo Picasso, La belle qui passe, (1904), Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36462

Pablo Picasso, The Mill at Horta, (Summer 1909), Watercolor on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34794

Ottilie W. Roederstein, Bildnis des Malers Jakob Nussbaum, 1909, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/2977

Ferdinand Hodler, Bezauberter Knabe, um 1909, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/2061

Pablo Picasso, Head of a Woman, Spring 1909, Gouache on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33130

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, The Swineherd, 1906, Charcoal and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35015

Pablo Picasso, Sheet of Studies, 1908, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33305

Pablo Picasso, Brooding Woman (recto); Three Children (verso), 1904, Watercolor on paper (recto and verso), The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33008

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, The Flower Girl, (1906), Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33908

Pablo Picasso, Head (Study for Les Demoiselles d'Avignon), 1906, Watercolor on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36610

Pablo Picasso, Casket, Cup and Apple, (Winter 1909), Ink wash on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37795

Pablo Picasso, Family with a Crow, (1905), Crayon and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36614

Pablo Picasso, Two Acrobats with a Dog, 1905, Gouache on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35378

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, Bathers in a Forest, 1908, Gouache, watercolor, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33370

Ferdinand Hodler, Figure (Study for die Empfindung), (1902–03), Pencil and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34876

Pablo Picasso, Meditation (Contemplation), (late 1904), Watercolor and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33823

Ferdinand Hodler, Genfer See mit den Savoyer Alpen, 1907–1911, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/4089

Augusto Giacometti, Color Abstraction, 1903, Pastel on paper mounted on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36786

Pablo Picasso, Two Nudes, 1906, Conté crayon on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35372

Pablo Picasso, Head of the Medical Student (Study for Les Demoiselles d'Avignon), 1907, Gouache and watercolor on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33169

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

Pablo Picasso, Bather, 1908, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34049

Félix Vallotton, Jura-Landschaft bei Romanel, 1900, Öl auf Malpappe, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/4057