Study of trees in a mountainous landscape

Theodore Etienne Pierre Rousseau (French, 1812-1867) Study of trees in a mountainous landscape with atelier stamp (lower left) pen and brown ink 5 x 5 in. (12.7 x 12.7 cm.); and A study of trees by Gijsbert de Hondecoeter; and A study of a river valley, by another hand (3)