Footbridge in Forest (from Sketchbook X)

Trees and Cliff (from Sketchbook X)

William Trost Richards

Sketch of Rocky Cliffside (from Sketchbook X)

William Trost Richards

Mountain Sketch (from Sketchbook X)

William Trost Richards

Landscape with Forest, Fields, and Mountains (from Sketchbook X)

William Trost Richards

Distant Landscape with Encampment (from Sketchbook X)

William Trost Richards

Landscape with Trees and Encampment (from Sketchbook X)

William Trost Richards

Camp A: Log Cabin in Woods (from Sketchbook)

William Trost Richards

Camp A: Log Cabin in Woods (from Sketchbook X)

William Trost Richards

Caldeno Falls (from Sketchbook)

Thomas Hewes Hinckley

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

Jervis McEntee

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

Jervis McEntee

Et væltet træ

Christen Købke