Yes, Google Scholar indexes many books, journal articles, and conference proceedings, though much of it does not have the full text available. It is very useful for its "cited by" link, which takes you to other items that have cited the current item you're viewing.
Provides articles, book reviews, and essays across all fields of religion and theology.
Multidisciplinary, scholarly, full text journals covering the social sciences, humanities, education, computer sciences, engineering, language and linguistics, arts & literature, medical sciences, and ethnic studies.