Stony Clove, June 26, 1870 (recto, from sketchbook)

Stony Clove, June 26, 1870; Landscape Composition (verso, from sketchbook)

Jervis McEntee

Tree Landscape with Camp (from Sketchbook X)

William Trost Richards

Trees and Encampment (from Sketchbook X)

William Trost Richards

Lake Como, May 3, 1869 (recto, from Sketchbook)

Jervis McEntee

Lake Como, May 1, 1869 (recto, from Sketchbook)

Jervis McEntee

Lake Como, May 1, 1869 (verso, from sketchbook)

Jervis McEntee

Sketch of Trees (from Sketchbook VII)

William Trost Richards

Landscape with Trees (from Sketchbook VII)

William Trost Richards

Landscape with Trees, Mountains, and Country Lane (from Sketchbook VII)

William Trost Richards

Trees and Fence Framing a Country Lane (from Sketchbook VII)

William Trost Richards

Et væltet træ

Christen Købke

Panorama of Roman Campagna, Nov. 12, 1868 (recto, from sketchbook)

Jervis McEntee