Wattenberg, Ben J
The real America : a surprising examination of the State of the Union
Doubleday, 1974
 Buku Teks SO
Clawson, Marion
America's land and its uses
John Hopkins, 1972
 Buku Teks
Manglapus, Raul S.
Land of bondage land of the free : social revolution in the Philippines
Solidaridad Publishing House, 1967
 Buku Teks SO
Reuss, Henry S.
The critical decade : an economic policy for America and the free world
McGraw-Hill, 1964
 Buku Teks
Whitaker, Ellen
Great kitchens : at home with America's top chefs
Taunton Press, 1999
 Buku Referensi