Medical Core
Life Sciences4,543
facts
Doctor-style facts — drug doses, body science, and surgery info from trusted old medical books.
William OslerPepper's System of MedicineGray's AnatomyManual of Surgery
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Topic libraries
Browse collections
36 indexed libraries · 105,769 verified vectors · searchable now
Manufacturing Core
Engineering3,374
facts
How factories work — cutting metal, heating materials, and running machines the right way.
Rose Modern Machine-Shop Practice
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Public Domain Core
Strategy & Philosophy3,700
facts
Smart ideas about war, plans, and how groups work — from famous old strategy books.
Sun TzuClausewitz On WarMusashi Book of Five RingsMachiavelliTaylor Principles
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Chemistry Core
Physical Sciences1,798
facts
Science facts about elements, reactions, and how chemicals combine.
Mendeleev Principles of Chemistry
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Macroeconomics Core
Finance & Trade1,781
facts
How countries trade, set prices, and split up work — from classic economics books.
Adam Smith Wealth of Nations
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Financial Core
Finance & Trade1,617
facts
Real money facts from big company reports — earnings, risks, and business numbers.
Mackay Extraordinary Popular Delusions 1841SEC EDGAR 10-K FY2025/2026
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Engineering Core
Engineering2,435
facts
How to build things — sizes, limits, materials, and design numbers engineers use.
Nikola TeslaBourne HandbookNares SeamanshipDouglas Naval ArchitectureArXiv cs.AI
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Legal Core
Law50,994
facts
Court cases and legal rules from public records — what the law actually says.
CourtListener SCOTUS Opinions 2025-2026Blackstone CommentariesHolmes The Common Law
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EDGAR Institutional
Finance & Trade0
facts
SEC EDGAR 10-K institutional-tier filings for AAPL, MSFT, TSLA, NVDA, AMZN (FY2025/2026). High-fidelity financial statement data for agent-grounded equity analysis.
SEC EDGAR 10-K FY2025SEC EDGAR 10-K FY2026
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Astrophysics Core
Physical Sciences723
facts
Space facts — how planets move, gravity, and ideas from Newton and other scientists.
Newton Principia Mathematica (Motte trans.)
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Mathematics Core
Formal Sciences659
facts
Math facts — equations, proofs, and number patterns from classic books.
De Morgan Formal LogicGranville Calculus Excerpt
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Biotech Core
Life Sciences494
facts
Life-science facts — cells, genes, and how living things work at a tiny level.
Thatcher Plant Life
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Architecture Core
Engineering416
facts
Building design facts — shapes, loads, and how structures stand up safely.
Vitruvius Ten Books on Architecture
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Agronomy Core
Life Sciences347
facts
Farming facts — soil, crops, and how to grow food the right way.
King's The Soil
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DTC Core
Commerce325
facts
Direct-to-customer business facts — brands, ads, and selling online.
Gutenberg #43659
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Thermodynamics Core
Physical Sciences281
facts
Heat and energy facts — how engines work and energy moves around.
Carnot Motive Power of Heat
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Collectibles Core
Commerce197
facts
Collecting facts — rare items, prices, and what makes things valuable to collectors.
Pokémon TCG Base Era Reference Data
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Aerospace Core
Engineering146
facts
Flying facts — planes, rockets, and how things move through the air and space.
Fage The Aeroplane
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Intelligence Core
Strategy & Philosophy146
facts
Spy and research facts — how information is gathered and checked in the field.
Grant Spies & Secret Service
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Cyber Core
Formal Sciences181
facts
Computer safety facts — how secure connections and certificates work.
Robinson Telegraphic Ciphers 1897
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Genetics Core
Life Sciences154
facts
Gene facts — DNA, inheritance, and how traits pass from parents to kids.
Mendel Experiments on Plant Hybridisation
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Cartography Core
Formal Sciences4,023
facts
Map facts — city locations, heights, time zones, and places around the world.
Bowditch American Practical Navigator
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Materials Core
Physical Sciences107
facts
Material facts — how metals, plastics, and other stuff behave under heat and stress.
Bragg X Rays and Crystal Structure
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Linguistics Core
Formal Sciences605
facts
Language facts — how words work, grammar patterns, and meaning.
Sapir's Language: An Introduction to the Study of Speech
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Meteorology Core
Physical Sciences130
facts
Weather facts — clouds, storms, and how the air moves.
Waldo Elementary Meteorology
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Infrastructure Core
Engineering3,477
facts
Big-system facts — roads, power, water, and how cities stay running.
Gutenberg Industrial Engineering ReferenceASCE Transactions
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Tactical History
Strategy & Philosophy1,267
facts
Classical military strategy, historical defense theory, and geopolitical statecraft from Clausewitz's On War. Covers friction, fog of war, center of gravity, decisive points, and the relationship between war and political policy.
Clausewitz On War (Gutenberg)
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Philosophy Core
Strategy & Philosophy4,682
facts
Epistemological frameworks, classical dialectics, and foundational philosophy from Plato's Republic. Covers justice, the allegory of the cave, philosopher-kings, the tripartite soul, and the theory of forms.
Plato The Republic (Gutenberg)
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Psychology Core
Life Sciences1,211
facts
Foundational behavioral science and cognitive architecture from William James's Principles of Psychology. Covers consciousness, habit formation, attention, memory, emotion, and the stream of thought.
William James Principles of Psychology Vol. 1 (Gutenberg)
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Canonical History
Strategy & Philosophy3,131
facts
Ancient textual codices, interlinear translation structures, and historical linguistic records from the KJV Bible. Prevents cross-translation interpolation drift in automated historical and paleographic analysis.
KJV Bible (Gutenberg pg10)
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Spatial Geometry
Engineering35
facts
Vector topologies, mesh coordinate parameters, parametric 3D modeling primitives, and computational geometry algorithms. Covers UV spheres, Bezier patches, BVH trees, CSG operations, SDF volumes, and LOD chains. Premium-tier x402 pricing.
Wavefront OBJ Primitive SpecificationComputational Geometry Reference
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Additive Manufacturing
Engineering25
facts
G-code structural syntax tokens, slicing optimization parameters, polymer thermal boundary conditions, and layer deposition metrics. Covers FDM/SLA/SLS/DMLS/WAAM across PLA, PETG, ABS, PEEK, Ti6Al4V, and continuous carbon fiber. Premium-tier x402 pricing.
Industrial Slicer Parameter ReferencePolymer Processing Handbook
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