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

Watercolor, brown ink, black chalk on tan antique laid paper

Graphite on cream antique laid paper

Graphite and black and white chalk on brown wove paper

Graphite on cream wove paper

Transparent and opaque watercolor with traces of graphite on cream wove paper mounted overall to gray brown cardboard

Charcoal and graphite on cream wove paper

Paper

Ink on paper

Black and gray wash and black chalk on of-white paper, laid down

Black chalk on off-white antique laid paper

Graphite with extensive stumping on cream wove paper