Rocca di Mezzo, near Vivitella, in the Ruffi Mountains; verso: Studies of Trees

Black chalk on faded blue laid paper

Brown ink, white gouache

Paper

Red and white chalk on off-white wove paper prepared with brown ground

Black chalk on cream wove paper with blue fibers

Brown ink, brown wash and graphite on light blue wove paper; verso: brown ink and blue and pink wash

Black ink, gray wash, and graphite

Paper

Watercolor on paper