Greenland, David
Guidelines for modern resource management soil, land, water, air
Charles E. Merrill, 1983
 Buku Teks
Mouzon, Olin T.
Resources and industries of the United States / Olin T. Mouzon
Appleton-Century-Crofts, 1966
 Buku Teks
Landsberg, Hans H.
Resources in America's future : patterns of requirements and availabilities 1960-2000
The Johns Hopkins Press , 1963
 Buku Teks
Coyle, David Cushman, 1887-1969
Concervation : an American story of conflict and accomplishment
Rutgers UNiversity Press, 1957
 Buku Teks
Kreps, Juanita M.
Our natural resources their development and use
Wilson, 1955
 Buku Teks