Perseus Digital Library is an open access collection of historical texts and images. It primarily covers the history, literature, and culture of the Greco-Roman world, but it also includes materials from other historical periods, locations, and languages. 
Pew Research Center is a nonpartisan fact tank that informs the public about the issues, attitudes and trends shaping the world. It conducts public opinion polling, demographic research, media content analysis and other empirical social science research. 
The Phillips Theological Seminary YouTube Channel includes chapel worship services, guest lectures, and seminary-related materials. 
Phillips University Yearbooks from 1914-1997, except for 1918, 1956, and 1957. The yearbooks were digitized by the Phillips University Legacy Foundation. 
The Portal to Texas History is a gateway to rare, historical, and primary source materials from or about Texas. 
Progressive Christianity offers thoughtful and practical resources for individuals, families, and communities to explore and affect progressive Christianity, spirituality, community life, social and environmental justice. Progressive Christianity is an open, intelligent and collaborative approach to the Christian tradition and the life and teachings of Jesus that create pathways into an authentic and relevant religious experience. 
ProQuest Central is the largest single periodical resource available, bringing together complete databases across all major subject areas, including Business, Health and Medical, Language and Literature, Social Sciences, Education, Science and Technology, as well as core titles in the Performing and Visual Arts, History, Religion, Philosophy, and includes thousands of full-text newspapers from around the world. 
The ProQuest Dissertations & Theses Global (PQDT) database is the world's most comprehensive curated collection of multi-disciplinary dissertations and theses from around the world, offering over 5 million citations and 3 million full-text works from thousands of universities. 
PRRI (Public Religion Research Institute) is a nonprofit, nonpartisan organization dedicated to research at the intersection of religion, values, and public life. PRRI’s mission is to help journalists, opinion leaders, scholars, clergy, and the general public better understand debates on public policy issues and the role of religion and values in American public life by conducting high quality public opinion surveys and qualitative research. 
The Public Domain Image Archive (PDIA) is a curated collection of more than 10,000 out-of-copyright historical images, free for all to explore and reuse. 
PubMed® comprises more than 39 million citations for biomedical literature from MEDLINE, life science journals, and online books. 