ProQuest

ProQuest LLC is an Ann Arbor, Michigan-based global information-content and technology company, founded in 1938 as University Microfilms by Eugene Power.

RefWorks is a cloud-based commercial reference management software package. It is produced by Clarivate after it bought ProQuest in 2021. RefWorks LLC was founded in 2001 as a partnership between Earl B. Beutler (development and customer service) and Cambridge Scientific Abstracts (sales and marketing) from 2002 until being acquired by ProQuest in 2008.

ulrich periodical directory

ebrary (the "e" is lower case) was an online digital library which held over 100,000 scholarly e-books in 2014. It was available in many academic libraries and provided a set of online database collections that combined scholarly books from over 435 academic, trade, and professional publishers. It also included sheet music (9,000 titles) and government documents. Additionally, ebrary offered a service called "DASH!" for customers to distribute their own PDF content online.

online database of dissertations and theses

bibliographic services company owned by Clarivate

bibliographic database covering humanities literature published in English

Bibliographic database