The Oxford Handbooks Online collection is a trusted source for scholarly research reviews. Each Handbook contains in-depth, high-level articles by preeminent scholars reviewing the key issues, analyzing points of contention, and outlining arguments for advancing the discussion. Students and faculty have access to all handbooks in the Religion Collection plus any Oxford Handbook titles that are open access.
The Theological Commons is a digital library of over 150,000 resources on theology and religion. Developed in partnership with the Internet Archive, it contains books, journals, audio recordings, photographs, manuscripts, and other formats dating from 975 C.E. to the present. 
The Unitarian Universalist Congregations guide, curated by the Harvard Divinity School Library, is a collection of publications and manuscripts in the public domain that chronicle major events events in the life of historically Unitarian and Universalist congregations in the United States.
LGBTQ Religious Archives Network (LGBTQ-RAN) is an innovative venture in preserving history and encouraging scholarly study of lesbian, gay, bisexual, transgender and queer (LGBTQ) religious movements around the world. 
The United States Holocaust Memorial Museum’s Holocaust Encyclopedia is the most visited and comprehensive Holocaust resource online today. It provides the public, educators, faculty, students, and scholars with hundreds of articles, access to digitized collections, critical thinking and discussion questions, lesson plans, oral histories, videos, and much more.
Database of Religious History is designed to serve as a centralized clearinghouse for scholarly knowledge of the historical record, bringing together a core of quantified, standardized data with qualitative comments, references to crucial resources, and links to on-line text and image databases.
The Latin America Collection at Princeton Theological Seminary, enhanced by the donated library of President Emeritus John A. Mackay in 1983, comprises over 28,000 books in Spanish and Portuguese and 1,300 periodicals supporting instruction and research in Latin American religious culture. The Library’s collecting concentration on religion and theology in Mexico, Central America, the Caribbean and South America is closely interwoven with Latin American collecting at Princeton University.
The Atla Digital Library brings together digital collections of scholarly, historical, and cultural significance that are relevant to the study, teaching, and learning of religion and theology. 
The Alternative Considerations of Jonestown and Peoples Temple, sponsored by the Special Collections of Library and Information Access at San Diego State University, is designed to give personal and scholarly perspectives on a major event in the history of religion in America.