Moore, Russell F.
Modern constitutions
Littlefield, Adams, 1957
 Buku Teks
Peaslee, Amos J.
Constitutions of nations; Volume I: Afghanistan to Finland
Rumford Press, 1950
 Buku Teks
Peaslee, Amos J.
Constitutions of nations; Volume III: Portugal to Yugoslavia
Rumford Press, 1950
 Buku Teks
Peaslee, Amos J.
Constitutions of nations; Volume II: France to Poland
Rumford Press, 1950
 Buku Teks
Whitlam, E.G.
On Australias constitutions
Widescope, 1977
 Buku Teks