Observing the Natural Wonders (probably Monument Park, Colorado), (painting)
Paris, Walter 1842-1906
Phelan, Arthur J., Jr 6300 Brookville Road Chevy Chase Maryland 20815
"Beyond the Mississippi, nineteenth-century views of the American West from the Phelan Collection, January 26-May 1, 1998," Washington, D.C: Board of Governors of the Federal Reserve System, 1998, no. 14.
Art Inventories Catalog, Smithsonian American Art Museums