Leach, Richard H.
American federalism
W.W. Norton, 1970
 Buku Teks
Perosa, Sergio
American theories of the novel, 1793-1903 / Sergio Perosa
New York University Press, 1985
 Buku Teks
Oates, Wallace E.
Fiscal federalism
Edward Elgar, 2011
 Buku Teks
Wojtowicz, Robert
Lewis Mumford and American modernism: Eutopian theories for architecture and urban planning
Cambridge University Press, 1998
 Buku Teks
Greenwood, Gordon, 1913-1986
The Future of Australian federalism
University of Queensland, 1976
 Buku Teks