ProQuest One Literature contains 3 million literature citations from thousands of journals, monographs, dissertations, and more than 500,000 primary works – including rare and obscure texts, multiple versions, and non-traditional sources like comics, theatre performances, and author readings.

Enhanced by interpretive sources such as book reviews and criticism sourced from wider, interdisciplinary publications in the fields such as humanities and history, it provides diverse, global perspectives with sources from all over the world – Africa, Asia, Australia, Europe, and North and South America - the majority of which are in full-text.

Contains 300,000 records of articles, review articles, scholarly notes and similar literature on all aspects of medieval studies. Includes a comprehensive cataloguing and indexing system, using familiar, multilingual terminology. The index contains 120,000 terms, classified into six types (subjects, persons, texts, places, manuscripts, etc.)