Full-text ebooks cross-searchable by subject, author, religion, work. "Researchers can search across hundreds of fully-digitized documents to instantly compare how different theories, denominations, and cultural groups have intersected, differed, and influenced one another."
"A multivolume, cross-searchable online collection that brings together the seminal works and archival materials related to worldwide religious thinkers from the early 1900s until the first decade of the 21st century. This resource represents voices from Christianity, Judaism, and Islam featuring significant thinkers of history."