Theses and Dissertations

Dissertations appearing in this collection have been digitized, with the authors' permission, from the paper version approved by the UO Graduate School. Dissertations are under copyright protection and should be appropriately cited. There are two collections of dissertations listed below:

• Theses and Dissertations (Official) represent items that have been digitized from official paper manuscripts approved by the Graduate School.
• Theses and Dissertations (Self-Submitted) represent items for which authors have submitted their own electronic files of their dissertations. The electronic files have not been reviewed by the Graduate School and the content may differ from the official, authorized paper manuscripts.