A dissertation is a final paper, based on original research, that is required in some disciplines to obtain a PhD. Theses are the same for a master's degree. Both are unpublished manuscripts and have not gone through the editorial process of published scholarly books. The bibliographies can be useful to identify more resources.
An international organization dedicated to promoting the adoption, creation, use, dissemination, and preservation of electronic analogues to traditional paper-based theses and dissertations with the goal to more effectively share knowledge.