| Prenatal Sugar Consumption and Late-Life Human Capital and Health: Analyses Based on Postwar Rationing and Polygenic Scores Gerard J. van den Berg, Stephanie von Hinke, R. Adele H. Wang | L4–5 Advanced | CC-BY | mirrored | 43 pp. | arxiv |
| Preparing for College Success | L1–2 Foundational | CC-BY-NC-SA | mirrored | 291 pp. | openstax |
| Preparing random state for quantum financing with quantum walks Yen-Jui Chang, Wei-Ting Wang, Hao-Yuan Chen | L4–5 Advanced | CC-BY | mirrored | 11 pp. | arxiv |
| Pre-Raphaelitism | L2–5 Introductory | Public domain | mirrored | 92 pp. | wikisource |
| Prescribed Scalar Curvature on Compact Manifolds Under Conformal Deformation Jie Xu | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Prescribed-Time Safety Design for a Chain of Integrators Imoleayo Abel, Drew Steeves, Miroslav Krstic | L4–5 Advanced | CC-BY | mirrored | 6 pp. | arxiv |
| Prescribing Mean Curvature: Existence and Uniqueness Problems George I. Kamberov | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Presentation of an Iwasawa algebra:The pro-$p$-Iwahori of reductive groups Aranya Lahiri, Jishnu Ray | L4–5 Advanced | CC-BY-SA | mirrored | 19 pp. | arxiv |
| Price return auto-correlation and predictability in agent-based models of financial markets Damien Challet, Tobias Galla | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Pricing and hedging in incomplete markets with coherent risk Alexander S. Cherny, Dilip B. Madan | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Pricing basket options with the first three moments of the basket: log-normal models and beyond Dongdong Hu, Hasanjan Sayit, Frederi Viens | L4–5 Advanced | CC-BY | mirrored | 34 pp. | arxiv |
| Pricing Equity Default Swaps under an approximation to the CGMY L\'{e}% vy Model Soeren Asmussen, Dilip Madan, Martijn Pistorius | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Pricing European Options under Stochastic Volatility Models: Case of five-Parameter Variance-Gamma Process A.H. Nzokem | L4–5 Advanced | CC-BY | mirrored | 28 pp. | arxiv |
| Pricing Exotic Options in a Path Integral Approach G. Bormetti, G. Montagna, N. Moreni | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Pricing formulas, model error and hedging derivative portfolios T. R. Hurd | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Pricing Life Insurance under Stochastic Mortality via the Instantaneous Sharpe Ratio: Theorems and Proofs Virginia R. Young | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Pricing multi-asset contingent claims in a multi-dimensional binomial market Jarek K\k{e}dra, Assaf Libman, Victoria Steblovskaya | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Pricing Options in Incomplete Equity Markets via the Instantaneous Sharpe Ratio Erhan Bayraktar, Virginia R. Young | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Pricing rule based on non-arbitrage arguments for random volatility and volatility smile Nikolai Dokuchaev | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Pricing Time-to-Event Contingent Cash Flows: A Discrete-Time Survival Analysis Approach Jackson P. Lautier, Vladimir Pozdnyakov, Jun Yan | L4–5 Advanced | CC-BY | mirrored | 50 pp. | arxiv |
| Pricing with coherent risk Alexander S. Cherny | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Primitive hyperideals and hyperstructure spaces of hyperrings Bijan Davvaz, Amartya Goswami, Karin-Therese Howell | L4–5 Advanced | CC-BY | mirrored | 13 pp. | arxiv |
| Primitive Part-of-Speech Tagging using Word Length and Sentential Structure Simon Cozens | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Principles of Accounting, Volume 1: Financial Accounting | L1–2 Foundational | CC-BY-NC-SA | mirrored | 973 pp. | openstax |
| Principles of Accounting, Volume 2: Managerial Accounting | L1–2 Foundational | CC-BY-NC-SA | mirrored | 677 pp. | openstax |
| Principles of Data Science | L1–2 Foundational | CC-BY-NC-SA | mirrored | 569 pp. | openstax |
| Principles of Economics | L1–2 Foundational | CC-BY | mirrored | 948 pp. | openstax |
| Principles of Economics 2e | L1–2 Foundational | CC-BY | mirrored | 974 pp. | openstax |
| Principles of Economics 3e | L1–2 Foundational | CC-BY-NC-SA | mirrored | 995 pp. | openstax |
| Principles of Epidemiology H. Giovanni Antunez | L1–3 Foundational | CC-BY-NC-SA | link only | — | libretexts |
| Principles of Finance OpenStax | L1–3 Foundational | CC-BY | link only | — | libretexts |
| Principles of Finance | L1–2 Foundational | CC-BY-NC-SA | mirrored | 629 pp. | openstax |
| Principles of Finance 2e | L1–2 Foundational | CC-BY-NC-SA | mirrored | 629 pp. | openstax |
| Principles of Macroeconomics | L1–2 Foundational | CC-BY | mirrored | 610 pp. | openstax |
| Principles of Macroeconomics 2e | L1–2 Foundational | CC-BY | mirrored | 617 pp. | openstax |
| Principles of Macroeconomics 3e | L1–2 Foundational | CC-BY-NC-SA | mirrored | 635 pp. | openstax |
| Principles of Macroeconomics for AP® Courses | L1–2 Foundational | CC-BY | mirrored | 539 pp. | openstax |
| Principles of Macroeconomics for AP® Courses 2e | L1–2 Foundational | CC-BY | mirrored | 547 pp. | openstax |
| Principles of Management | L1–2 Foundational | CC-BY-NC-SA | mirrored | 605 pp. | openstax |
| Principles of Marketing | L1–2 Foundational | CC-BY-NC-SA | mirrored | 707 pp. | openstax |
| Principles of Microeconomics | L1–2 Foundational | CC-BY | mirrored | 561 pp. | openstax |
| Principles of Microeconomics 2e | L1–2 Foundational | CC-BY | mirrored | 581 pp. | openstax |
| Principles of Microeconomics 3e | L1–2 Foundational | CC-BY-NC-SA | mirrored | 595 pp. | openstax |
| Principles of Microeconomics for AP® Courses | L1–2 Foundational | CC-BY | mirrored | 561 pp. | openstax |
| Principles of Microeconomics for AP® Courses 2e | L1–2 Foundational | CC-BY | mirrored | 575 pp. | openstax |
| Principles of Nutritional Assessment 3e Rosalind S. Gibson et al. | L1–3 Foundational | CC-BY | link only | — | libretexts |
| Principles of Pharmacology Carl Rosow, David Standaert, & Gary Strichartz | L1–3 Foundational | CC-BY-NC-SA | mirrored | 126 pp. | libretexts |
| Probabilistic analysis of a differential equation for linear programming Asa Ben-Hur, Joshua Feinberg, Shmuel Fishman | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Probabilistic Constraint Logic Programming Stefan Riezler (University of Tuebingen) | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Probabilistic Constraint Logic Programming. Formal Foundations of Quantitative and Statistical Inference in Constraint-Based Natural Language Processing Stefan Riezler | L4–5 Advanced | Licence unknown | link only | — | arxiv |