| Business Law I Essentials | L1–2 Foundational | CC-BY-NC-SA | mirrored | 165 pp. | openstax |
| Business Law I Essentials 2e | L1–2 Foundational | CC-BY-NC-SA | mirrored | 164 pp. | openstax |
| Business Writing For Everyone Arley Cruthers | L1–3 Foundational | CC-BY-NC | mirrored | 307 pp. | libretexts |
| Buy Now, Pay Later (BNPL)...On Your Credit Card Benedict Guttman-Kenney, Christopher Firth, John Gathergood | L4–5 Advanced | CC-BY-NC-ND | mirrored | 28 pp. | arxiv |
| Calculating Concentration-Sensitive Capital Charges with Conditional Value-at-Risk Dirk Tasche, Ursula Theiler | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Calculating Value-at-Risk contributions in CreditRisk+ Hermann Haaf, Dirk Tasche | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Cálculo volumen 1 | L1–2 Foundational | Licence unknown | link only | — | openstax |
| Cálculo volumen 2 | L1–2 Foundational | Licence unknown | link only | — | openstax |
| Cálculo volumen 3 | L1–2 Foundational | Licence unknown | link only | — | openstax |
| Calculus on Graphs Joel Friedman, Jean-Pierre Tillich | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Calculus Volume 1 | L1–2 Foundational | CC-BY-NC-SA | mirrored | 769 pp. | openstax |
| Calculus Volume 2 | L1–2 Foundational | CC-BY-NC-SA | mirrored | 737 pp. | openstax |
| Calculus Volume 3 | L1–2 Foundational | CC-BY-NC-SA | mirrored | 913 pp. | openstax |
| Calibrated Data-Dependent Constraints with Exact Satisfaction Guarantees Songkai Xue, Yuekai Sun, Mikhail Yurochkin | L4–5 Advanced | CC-BY | mirrored | 27 pp. | arxiv |
| Callipepla: Stream Centric Instruction Set and Mixed Precision for Accelerating Conjugate Gradient Solver Linghao Song, Licheng Guo, Suhail Basalama | L4–5 Advanced | CC-BY-NC-SA | mirrored | 12 pp. | arxiv |
| Can autonomy make bicycle-sharing systems more sustainable? Environmental impact analysis of an emerging mobility technology Naroa Coretti Sanchez, Luis Alonso Pastor, Kent Larson | L4–5 Advanced | CC-BY-NC-ND | mirrored | 14 pp. | arxiv |
| Canonical Noise Distributions and Private Hypothesis Tests Jordan Awan, Salil Vadhan | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Can Prosody Aid the Automatic Classification of Dialog Acts in Conversational Speech? E. Shriberg, R. Bates, A. Stolcke | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Can Subcategorisation Probabilities Help a Statistical Parser? John Carroll, Guido Minnen (University of Sussex), Ted Briscoe (Cambridge University) | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Capacity Analysis of Intersections When CAVs Crossing in a Collaborative and Lane-Free Order Mahdi Amouzadi, Mobolaji Olawumi Orisatoki, Arash M. Dizqah | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Capacity Improvement in Wideband Reconfigurable Intelligent Surface-Aided Cell-Free Network Zijian Zhang, Linglong Dai | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Capital Allocation to Business Units and Sub-Portfolios: the Euler Principle Dirk Tasche | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Capital process and optimality properties of a Bayesian Skeptic in coin-tossing games Masayuki Kumon, Akimichi Takemura, Kei Takeuchi | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Caplet pricing in affine models for alternative risk-free rates Claudio Fontana | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Cap-prodcut structures on the Fintushel-Stern spectral sequence Weiping Li (OSU) | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Capture and escape in the elliptic restricted three-body problem Sergey A. Astakhov, David Farrelly | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Capturing positive network attributes during the estimation of recursive logit models: A prism-based approach Yuki Oyama | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Cardiovascular Pathophysiology Andrew Binks | L1–3 Foundational | CC-BY-NC-SA | mirrored | 66 pp. | libretexts |
| Cardy's Formula for some Dependent Percolation Models Federico Camia, Charles M. Newman, Vladas Sidoravicius | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| CARE: Certifiably Robust Learning with Reasoning via Variational Inference Jiawei Zhang, Linyi Li, Ce Zhang | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Care Navigation of Older Adults (Whatcom Community College | L1–3 Foundational | CC-BY | link only | — | libretexts |
| Carousel Memory: Rethinking the Design of Episodic Memory for Continual Learning Soobee Lee, Minindu Weerakoon, Jonghyun Choi | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Cash Sub-additive Risk Measures and Interest Rate Ambiguity Nicole El Karoui, Claudia Ravanelli | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Causal Discovery from Sparse Time-Series Data Using Echo State Network Haonan Chen, Bo Yuan Chang, Mohamed A. Naiel | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Causal effect on a target population: a sensitivity analysis to handle missing covariates B\'en\'edicte Colnet, Julie Josse, Erwan Scornet | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Causal Inference (C-inf) -- asymmetric scenario of typical phase transitions Agostino Capponi, Mihailo Stojnic | L4–5 Advanced | CC-BY | mirrored | 31 pp. | arxiv |
| Causal Inference (C-inf) -- closed form worst case typical phase transitions Agostino Capponi, Mihailo Stojnic | L4–5 Advanced | CC-BY | mirrored | 40 pp. | arxiv |
| Causal inference methods for combining randomized trials and observational studies: a review B\'en\'edicte Colnet, Imke Mayer, Guanhua Chen | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Causal Inference with Ranking Data: Application to Blame Attribution in Police Violence and Ballot Order Effects in Ranked-Choice Voting Yuki Atsusaka | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Causal mediation analysis: From simple to more robust strategies for estimation of marginal natural (in)direct effects Trang Quynh Nguyen, Elizabeth L. Ogburn, Ian Schmid | L4–5 Advanced | CC-BY | mirrored | 98 pp. | arxiv |
| Causal Slaving of the U.S. Treasury Bond Yield Antibubble by the Stock Market Antibubble of August 2000 W.-X. Zhou (UCLA), D. Sornette (UCLA, CNRS-Univ. Nice) | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| cc-Golog: Towards More Realistic Logic-Based Robot Controllers Henrik Grosskreutz, Gerhard Lakemeyer | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| C*-Crossed Products by Twisted Inverse Semigroup Actions Nandor Sieben | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| CCSF Nutrition Textbook: Introduction to Nutrition — Science and Everyday Application Jonathan Siekmann | L1–3 Foundational | CC-BY-NC-SA | link only | — | libretexts |
| Cell-Free Data Power Control Via Scalable Multi-Objective Bayesian Optimisation Sergey S. Tambovskiy, G\'abor Fodor, Hugo Tullberg | L4–5 Advanced | CC-BY-NC-ND | mirrored | 6 pp. | arxiv |
| CellTranspose: Few-shot Domain Adaptation for Cellular Instance Segmentation Matthew Keaton, Ram Zaveri, Gianfranco Doretto | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Cellular Resolutions of Monomial Modules Dave Bayer, Bernd Sturmfels | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Censored Regression with Serially Correlated Errors: a Bayesian approach Rodney Sousa, Isabel Pereira, Maria Eduarda Silva | L4–5 Advanced | CC-BY-SA | mirrored | 29 pp. | arxiv |
| Centering in Dynamic Semantics Daniel Hardt | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Centre of mass in spaces with torsion free flat linear connection Bozhidar Z. Iliev (Institute for Nuclear Research, Nuclear Energy, Bulgarian Academy of Sciences | L4–5 Advanced | Licence unknown | link only | — | arxiv |