The Library holds doctorate level (e.g. PhD) theses submitted to this University and these are listed on the Library's catalogue WebCat. Some theses are available in full-text on ePrints Soton.
Masters and undergraduate dissertations in the Social Sciences are held in the Faculty.
Increasingly theses are being made freely available online, so it is worth searching Google if you are looking for a specific thesis.
Theses and dissertations submitted to
Use a database to search for references to theses. DART-Europe also provides the full-text of many theses.