Black, C.E.
Twentieth Century Europe: a history
Alfred A. Knopf, 1966
Buku Teks
Keylor, William R., 1944-
The twentieth-century world
Oxford University Press, 1996
Buku Teks
Stromberg, Roland N.
Europe in the twentieth century / Roland N. Stromberg
Prentice-Hall, 1997
Buku Teks
Transformation of a continent: Europe in the twentieth century / edited by Gerhard L.Weinberg
BUrgess, 1975
Buku Teks
Button, John
The radicalism handbook : a complete guide to the radical movement in the twentieth century
Cassell, 1995
Buku Referensi