The Nile at Assouan; verso: Still Life and Color Diagrams

Colored marker on paper

Black marker on paper

Graphite and colored pastel on blue-gray laid paper

Black and white chalk on blue-gray wove paper

Black ink and gray wash on vellum

Graphite on buff wove paper

Graphite on thin off-white wove paper

Unmounted drawing: ink on paper

Colored marker on paper

Black ink and opaque watercolor with traces of graphite on cream wove paper

Black and white chalk, stumped, on blue antique laid paper, framing lines in brown ink

Black marker on scrap paper, staples, and black marker on paper