Medium (nl)

Horse (No. 8) - 1937-1938 Pencil, Watercolor Sea Horse (No. 11) - 1937-1938 Ink, Pencil, Watercolor Eagle (No. 17) - 1938 Pencil, Watercolor Two Birds (No. 18) - 1938 Ink, Pencil, Watercolor Fish (No. 20) - 1938 Ink, Paint, Pencil, Watercolor Clowns (No. 21) - 1938 Ink, Pencil, Watercolor Bird / Fish (No. 22) - 1938 Ink, Pencil, Watercolor Lizard (No. 25) - 1939 Ink, Pencil, Watercolor Three Birds (No. 28) - 1938 Pencil, Watercolor Bird / Fish (No. 34) - 1941 Ink, Paint, Pencil, Watercolor Dragonfly (No. 38) - 1941 Ink, Pencil, Watercolor Crab (No. 40) - 1941 Ink, Pencil, Watercolor Two Fish (No. 41) - 1941 Ink, Pencil, Watercolor Shells and Starfish (No. 42) - 1941 Ink, Pencil, Watercolor Angel-Devil (No. 45) - 1941 Ink, Paint, Pencil Two Fish (No. 46) - 1942 Ink, Pencil, Watercolor Lizard (No. 56) - 1942 Ink, Paint, Pencil Two Fish (No. 59) - 1942 Ink, Pencil, Watercolor Two Lizards (No. 60) - 1942 Pencil Two Creatures (No. 61) - 1944 Ink, Pencil, Watercolor Devil (No. 62) - 1944 Ink, Pencil, Watercolor Pessimist-Optimist (No. 63) - 1944 Ink, Paint, Pencil Horseman (No. 67) - 1946 Ink, Pencil, Watercolor Fish / Boat (No. 72) - 1948 Ink, Pencil Horse / Bird (No. 76) - 1949 Ink, Pencil, Watercolor Unicorn (No. 78) - 1950 Pencil, Watercolor Flying Fish / Bird (No. 80) - 1950 Ink, Paint, Pencil Thirty-Six Different Motifs (No. 83) - 1951 Chalk, Pencil Bird / Fish (No. 84) - 1951 Ink, Pencil Lizard / Fish / Bat (No. 85) - 1952 Ink, Pencil, Watercolor Lizards (No. 101) - 1956 Ink, Pencil, Watercolor Pegasus (No. 105) - 1959 Ink, Pencil, Watercolor