This site is an excellent source for texts written by Saint Augustine (users are provided with links to English, Latin and Italian versions of his writings); also included are helpful indexes, bibliographies, and a database of artistic representations (e.g. frescoes, paintings, sculptures, etc.) of the saint. Users can access much of the site in English, and where English is not an option, the interface is easy to use.
General Sites for Online Medieval Resources Medieval Studies Research Guides