Searching for Dissertations

Three main resources to search for dissertations:

Theses Canada Portal (free to search for abstracts)
http://www.collectionscanada.gc.ca/thesescanada/index-e.html

ProQuest Dissertation Express (free to search for abstracts)
http://www.proquest.com/en-US/products/dissertations/disexpress.shtml

ProQuest Dissertations & Theses Database (subscription requested in order to search)

Many academic libraries have instructions on their website on how to search for dissertations. Check the link below for an example from University of Alberta Libraries:

http://www.library.ualberta.ca/databases/databaseinfo/index.cfm?ID=168