Twentieth century Australian literary criticism
edited by Clement Semmler
Oxford University Press, 1967
 Buku Teks SO
Elkins, William R.
Literary reflections
McGraw-Hill, 1982
 Buku Teks SO
Woodham, Jonatham M.
Twentieth-Century design
Oxford University Press, 1997
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Chant, Christopher
Twentieth century war machines
London: Chancellor Press, 1999,
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Revolutions of the late twentieth century
edited by Jack A. Goldstone, Ted Robert Gurr, Farrokh Moshiri
Westview Press, 1991
 Buku Teks SO