Encyclopedias, Almanacs, Transcripts, and Maps
- Prado, Pedro (1886–1952)
- Prado, Vasco (1914–1998)
- Praeger, Frederick Amos
- Pragmatist Epistemology
- Praieira Revolt
- Prat Echaurren, Jorge (1918–1971)
- Prat, Arturo (1848–1879)
- Prats González, Carlos (1915–1974)
- Pre-Columbian Music of Mesoamerica
- Pre-Columbian Music of South America
- Pre-Roman Iron Age Scandinavia
- Pre-Socratic Philosophy
- Pre-Viking and Viking Age Denmark
- Pre-Viking and Viking Age Norway
- Pre-Viking and Viking Age Sweden
- Preaching and Sermons
- Prebisch, Raúl (1901–1986)
- Precontact History
- Precursors of Modern Logic
- Precursors of Modern Logic: Bolzano