The following websites provide open access eBooks:

Provides resources in religious studies and related disciplines.  Make sure to refine your search results to book format.

A source for high quality eBooks in the humanities and social sciences from the world’s most distinguished presses and scholarly societies.  Remember to narrow down your results to book format.

Includes more than 6,000 open access eBooks in various disciplines from top scholarly publishers.

A non-profit digital library. Its mission is to provide "universal access to all knowledge" by making digital versions of books and other published works available online for free. Sign up for an account for free to read or borrow books and other resources. To refine your results to books only, select "texts" on the left-hand side of the results list.

This website includes the complete text of the International Standard Bible Encyclopedia (ISBE).  The ISBE is a classic Bible reference compiled from nearly 10,000 entries by over 200 different Bible scholars. In addtion to the encyclopedia articles, all of the major words of the Bible are represented and defined. The historical, cultural, and linguistic information in the ISBE can be of great value in Bible study and research.