Outline Sketch of Tress (from Sketchbook VII)

Sketch of Breaking Waves (from Sketchbook VII)

William Trost Richards

Sketch of Trees (Clouds?) (from Sketchbook VII)

William Trost Richards

Cape Flattery Landscape (from Sketchbook X)

William Trost Richards

Mountain Sketch (from Sketchbook X)

William Trost Richards

Mountainside (from Sketchbook X)

William Trost Richards

Sun's Rays Breaking through Storm Clouds (from Sketchbook VI,I)

William Trost Richards

Sketch of Clouds and Terrain (from Sketchbook VII)

William Trost Richards

Waves Breaking in the Sea (from Sketchbook VII)

William Trost Richards

Kronerne af nogle store træer

P.C. Skovgaard

Mountains (from Sketchbook X)

William Trost Richards

Schets van een aquarium

Gerrit Willem Dijsselhof

Schets van een kinderkop

Monogrammist IVR (19e eeuw)