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

Medway, Massachusetts

Summer in the Catskills

Blauberg near Wolmar

Catskill Mountains

Twilight (Sunset)

Fleecy Clouds

Near Squam Lake, New Hampshire

Hampstead Heath, Looking Toward Harrow

Harvest Scene in the Delaware Valley

L'espace

Twilight

Fra Østre Aker