Bailyn, Bernard
The peopling of the British North America
Alfred A. Knopf, 21 cm
 Buku Teks
Harlow, Ralph Volney
The United States
Holt, Rinehart and Wiston, 1961
 Buku Teks
Harlow, Ralph Volney
The United States
Holt, Rinehart and Wiston, 1961
 Buku Teks
Giovannitti, Len
The decision to drop the bomb / Len Giovannitti and Fred Freed
Coward-McCann, 1965
 Buku Teks
Ehrlich, Paul R.
The population bomb
Sierra Club/ballantine, 1971
 Buku Teks