Search ProQuest Dissertations to identify many dissertations from other universities and read the full-text of the dissertations. The database covers 1867 to the present, however, each university's coverage varies. Notable exceptions include Harvard & MIT. Additionally, Masters Theses are not usually included in this database.
WorldCat Dissertations and Theses
lists all dissertations, theses and published material based on theses
cataloged by members of OCLC, a worldwide library consortium. This
database includes links to full text of many freely-available theses
and indicates whether any member library has a print copy that may be
borrowed through ILLiad Interlibrary Loan (ILL).
The Networked Digital Library of Theses and Dissertations (NDLTD) provides links to theses that may be freely available online.
The Index to Theses
"accepted for higher degrees by the universities of Great Britain and
Ireland and the Council for National Academic Awards" includes
abstracts. This database covers theses accepted from 1970 to the
present.
The Theses Canada Portal
provides search and access information for print and online theses and
dissertations from Canadian institutions from 1965 to the present.
The Registry of Open Access Repositories (ROAR) maintains a list of sites with e-theses.