Theses and dissertations are academic works that are written as a part of completing a post-graduate degree. They are not considered peer-reviewed (they undergo a different review process) and they are frequently book-length, typically 100-600 pages. If you are doing any sort of comprehensive research process, such as preparing for your own thesis or dissertation, it is a good idea to review this literature to see if any similar projects have been done. Below are two relevant sources (a general theses and dissertations search and one specific to CSU):