Column Base, Siena, Italy; Carved Architectural Design with Animals and Figures, Modena, Italy

Colored crayons ; black crayon on paper

Graphite on cardboard

Black and white chalk on gray-brown paper (possibly faded from blue)

Mixed media on paper

Black and red marker on paper

Black crayon with touches of pastel in white, mauve, pink, yellow, and blue on light brown paper

Incised line and Aquarelle on white wove paper

Graphite on paper

Colored marker on paper

Watercolor

Graphite on cream wove paper

Crayon on paper