Wilson, Edmund, 1895-1972
Axel's castle : a study in the imaginative literature of 1870-1930
Penguin Books, 1993
 Buku Teks
Furness, Raymond
A companion to twentieth-century German literature
Routledge , 1997
 Buku Teks
Kohlmaier, Georg
Houses of glass : a nineteenth century building type
MIT Press, 1986
 Buku Teks
Twentieth century authors : a biographical dictionary of modern literature
edited by Stanley J. Kunitz and Vineta Colby
H.W. Wilson, 1963
 Buku Referensi
Peters, Tom F.
Building the nineteenth century
MIT Press, 1996
 Buku Teks