1
Argitaratua: c2010.
Links: Testu osoa
2
Argitaratua: 2000.
Links: Testu osoa
3
Argitaratua: c2006.
Links: Testu osoa
4
Argitaratua: c2008.
Links: Testu osoa
5
Argitaratua: c2011.
Links: Testu osoa
6
Argitaratua: 2007.
Superior document: The Alexis de Tocqueville lectures on American politics
Links: Testu osoa