Access to citations and abstracts for every title in the Dissertation Abstracts database. Dissertations written from 1997 forward are available full text. The database includes citations to dissertations from 1861 to those accepted last semester. Citations for dissertations and master's theses published from 1980 forward have abstracts. Simple bibliographic citations are available for dissertations dating from 1637.
Service of the National Library of Medicine, includes citations for biomedical articles.