The LCSH helps you find related information on your topic. If you locate relevant books in a keyword search, try clicking on the subject links to find more resources on this subject. Here are some examples of subject headings related to the Early Middle Ages:
The ProQuest Dissertations & Theses database (PQDT) indexes over 2.4 million dissertations and theses included from around the world nearly one million are available in full text. 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, and more than 65,000 new citations are added to the database every year.