Studies for the Hours, "Apollo in His Chariot with the Hours," Museum of Fine Arts, Boston

Blue marker and black ink on paper

Graphite on paper

Black crayon on paper

Black ink on off-white wove paper

Brown ink on off-white wove paper, mounted to larger sheet of wove paper

Mixed media on paper

Black ink on white wove paper with perforations

Colored marker and blue pen on paper

Paper

Colored pencil on paper