Le Montblanc, by Paulus Roetter

Winter Cottage, by Lydia Roetter

Boulder in Water, by Oliver Bassett

Baker Beach, by Oliver Bassett

Castelhun Family Tree 1871, by Johann Christoph Castelhun

Friedrich Karl Castelhun, by Henry Raschen

Human Anatomy #2 of 6, by Paulus Roetter

Human Anatomy #4 of 6, by Paulus Roetter

Human Anatomy #6 of 6, by Paulus Roetter

Maida Castelhun Darnton, by Henning Ryden

Steinhart Aquarium, by Oliver Bassett

Switzerland Mountains #2, by Paulus Roetter