Ross, Alf
Why Democracy ?
Harvard University Press, 1952
 Buku Teks
Becker, Carl L. (Carl Lotus), 1873-1945
Modern democracy
Yale University Press, 1959
 Buku Teks
Demokrasi : klasik dan modern
Yayasan obor Indonesia, 2005
 Buku Teks
Cassinelli, C.W.
The politics of freedom: an analysis of the modern democratic state / by C.W. Cassinelli
University of Washington Press , 1961
 Buku Teks
Demokrasi : klasik dan modern -tulisan tokoh-tokoh pemikir ulung sepanjang masa - = the Democracy reader : classic and modern speeches, essays, poems, declaration, and document on freedom and human rights worldwide
editor, Diane Ravitch, Abigail Thernstrom; penerjemah, Hermoyo
Yayasan Obor Indonesia, 2006
 Buku Teks