1871 – 1939
Bibliografía (15 obras)
The geographic factor: its rôle in life and civilization
1970
The working world
1937
Economic geography of South America
1926
Economic geography
1924
Industrial geography
High school geography
1923
The geography and economic development of southeastern Wisconsin
1921
Our iron-clad civilization
1919
Irrigation in the United States
The influence of geographical environment upon religious beliefs
1918
The geography of the Fox-Winnebago Valley
1915
The geography and industries of Wisconsin
1913
The high school course in geography
1910
New Jersey
1906
New York
1901