Yarwood, Doreen
The architecture of europe: The Nineteenth and Twentieth Centuries
I.R. Dee, 1991
Buku Teks SO
Francastel, Pierre
Art & technology in the nineteenth and twentieth centuries
Distributed by MIT Press, 2000.
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Gooch, G.P.
History and historians in the nineteenth century
Beacon Press, 1968
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Braun, Hans-Joachim
The German economy in the twentieth century
Routledge, 1990
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Black, C.E.
Twentieth Century Europa: a history
Alfred A. Knopf, 1961
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