Ohkawa, Kazushi
Japanese economic growth : trend acceleration in the twentieth century
Stanford University Press, 1973
 Buku Teks SO
Boehm, E.A.
Twentieth century economic development in Australia
Longman Chesire, 1979
 Buku Teks SO
Boehm, E.A.
Twentieth century economic development in Australia
Longman, 1971
 Buku Teks SO
Fowler, Edward
The rhetoric of confession : shishōsetsu in early twentieth-century Japanese fiction /​ Edward Fowler.
University of California Press,, 1988
 Buku Teks SO
Harrison, Anthony
The framework of economic activity : the international economy and the rise of the state in the twentieth century
Macmillan, 1968
 Buku Teks SO