Search WorldCat (world's largest online library catalog). See link below and it is also listed under "Databases" on the library's web site.
Dissertation and Theses (ProQuest) Database might be an interesting database to explore material on your topic. Full-text dissertations and theses are available in this database. See link below.
Interlibrary Loan: Check the FAQs about Interlibrary Loan on the library's web site. You may submit requests electronically to the ILL office. Articles will be forwarded to you electronically and books will need to be picked up at the Main Service Desk. PLAN for interlibrary loan and make sure you have enough time to receive the materials and use them appropriately for your research.