Checking the Waste: A Study in Conservation

The Earth as Modified by Human Action

Arbetets Herravälde

The Conflict between Private Monopoly and Good Citizenship

History of the Great American Fortunes, Vol. I Conditions in Settlement and Colonial Times

The Holy Earth

Man and Nature; Or, Physical Geography as Modified by Human Action

The impending crisis

Schilderungen des Treibens im Leben und Handel in den Vereinigten Staaten und Havana. Gezeichnet auf Reisen in den Jahren 1838 und 1839