If the library doesn't provide online access to a particular article, you can still get it through Interlibrary Loan (ILL). For each article you want, complete an Interlibrary Loan Request.
Getting Master's Projects
Master's Projects from recent years can be found online at DukeSpace.
Getting Dissertations and Theses BEYOND Duke
Proquest Dissertations - Mostly doctoral dissertations from other institutions from across the world