Two centuries of Australian poetry
edited by Mark O. Connor
Oxford University Press, 1989
 Buku Teks SO
American revolution : two centuries
edited by Edmund S. Morgan
Prentice-Hall, 1965
 Buku Teks SO
Jurgen Georg Backhaus, editor
Two centuries of local autonomy
Springer, 2012
 eBooks
The American revolution : two centuries of interpretation
edited by Edmund S. Morgan
Prentice-Hall, 1965
 Buku Teks SO
Bartlett, Ruhl
Policy and power; two centuries of American foreign relations.
Hill and Wang, 1963
 Buku Teks SO