ProQuest Dissertations and Theses — Full text is the world's most comprehensive collection of dissertations and theses. The official digital dissertations archive for the Library of Congress and the database of record for graduate research. PQDT — Full Text includes 2.4 million dissertation and theses citations from around the world from 1861 to the present day together with 1 million full text dissertations that are available for download in PDF format. The database offers full text for most of the dissertations added since 1997 and strong retrospective full text coverage for older graduate works.

More than 60,000 new full text dissertations and theses are added to the database each year through dissertations publishing partnerships with 700 leading academic institutions worldwide and collaborative retrospective digitization of dissertations through UMI's Digital Archiving and Access Program. Full Text dissertations are archived as submitted by the degree-granting institution. Some will be native PDF, some PDF image.

Each dissertation published since July 1980 includes a 350-word abstract written by the author. Master's theses published since 1988 include 150-word abstracts. Bibliographic citations are available for dissertations dating from 1637. Where available, PQDT — Full Text provides 24-page previews of dissertations and theses.

ProQuest Dissertations & Theses — Full Text also offers researchers unlimited access to digital copies from their own institutions as well as affordable copies from others.

PQDT is available on the Web through ProQuest®, a premier information access and retrieval system. It is suitable for all types of researchers whether they are online novices or information professionals. Natural language searching, database segmenting, and conceptual smart searching are just a few of the features that help users find the information they need quickly and easily.

Online subscriptions allow unlimited searching for a set fee, and depending on an institution's subscription type, access to the full text of dissertations and theses in PDF format (where available).