アメリカ合衆国の領土
Fleury Graff, Thibaut (2013). Etat et territoire en droit international. L'exemple de la construction du territoire des Etats-Unis (1789–1914) (State and Territory in International Law. The case of United States' Territory (1789–1914)). Paris, France: Pedone. ISBN 978-2-233-00686-8
Lalor, John J. (1899). “Territories”. Cyclopaedia of Political Science, Political Economy, and of the Political History of the United States.