A Willow Tree on the Prater Island in Munich, with the Quellwasser Footbridge and the Hospital on the Opposite Bank of the Isar River

Paper

Black chalk on faded blue laid paper

Graphite and green chalk

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

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

Black ink and brown, gray, and blue wash over graphite on cream laid paper

Brown ink and graphite on cream wove paper, laid down

Graphite

Black chalk on off-white antique laid paper

Graphite

Paper

Black and grey ink, gray wash on cream wove paper