Laski, Harold J.
Liberty in the modern state
Penguin Books, 1937
 Buku Teks
Handlin, Oscar
The dimensions of liberty
Atheneum, 1966
 Buku Teks
Hoover, Calvin B. (Calvin Bryce), 1897-
The economy, liberty, and the state
Twentieth Century Fund, 1959
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MacIver, Robert M.
The modern state
Oxford, 1926
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Mill, John Stuart
On liberty and utilitarianism
David Campbell Publisher, 1992
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