View of the Tiber near Perugia

Étretat

Autumn Oaks

The Lackawanna Valley

Lake Nemi

Early Morning, Tarpon Springs

Niagara Falls

The Mill Pond

Catskill Mountains

October

In the Berkshires

Niagara

The Coming Storm

Landscape from Bærum

Hampstead Heath, Looking Toward Harrow

Landscape Study

Thunder Storm

Landscape

Jutish Moor

Civita Castellana

Monte-Cavo

Untitled (landscape, cloudy sky)

Untitled (landscape, fields with rocks and trees)

Early Autumn in the Green Mountains, Vermont