Knowledge Base
Apocalypsis includes 73 verified knowledge sources covering survival, medicine, engineering, agriculture, navigation, and dozens of essential skills. Every source is carefully selected and its license verified.
All content is processed, indexed, and available offline through the AI assistant. Sources are regularly updated for subscribers.
⚕️Medicine & First Aid(15 sources)
Where There Is No Doctor (Hesperian, 2025)
Comprehensive community health guide — first aid, diagnosis, treatment without professional help
Where There Is No Dentist (Hesperian)
Emergency dentistry, tooth extraction, pain relief, oral health without professional care
A Book for Midwives (Hesperian)
Pregnancy, childbirth, postpartum care, newborn care, emergencies in field conditions
Where There Is No Vet (Hesperian)
Animal health care — livestock, poultry, common diseases, treatment
MedlinePlus Health Topics (NLM)
1015 health topics from U.S. National Library of Medicine — symptoms, conditions, treatments
Emergency War Surgery
Battlefield surgery, trauma management, triage, wound care, amputations, anesthesia
FM 4-25.11 First Aid (2002)
U.S. Army — bleeding control, airway, fractures, burns, environmental injuries
Army TC 4-02.1 First Aid
Tactical casualty care, bleeding, airway, fractures
Advanced Field Medicine (FM 4-25.11, TM 8-230, FM 21-11)
First aid for soldiers, basic nursing, advanced field procedures
Wilderness Medicine (Aerie + MM Course)
Backcountry medicine, wilderness trauma, altitude sickness, envenomation, hypothermia
Ship's Medicine Chest and Medical Aid at Sea
CDC/PHS — maritime medicine, injuries at sea, illness management, medical kit
Herbal Medicine & Pharmacology
Culpeper's Herbal (1654), Royle's Materia Medica (1867), Meyer's Herb Doctor
TC 4-02.3 Field Hygiene and Sanitation
Water purification, waste disposal, pest management, personal hygiene
FM 4-25.12 Unit Field Sanitation Team
Water supply, food service sanitation, waste management, disease prevention
WHO Surgical Care at the District Hospital
Surgery without a hospital — anesthesia, trauma, obstetric emergencies, orthopedics, burns
⚠️Survival & Emergency Preparedness(14 sources)
FM 21-76 Survival Manual
Psychology, cold/desert/tropical/sea survival, food, water, shelter, navigation, signaling
Ready.gov (FEMA)
Comprehensive preparedness guidance — default dataset
FEMA Are You Ready? Guide
Natural disasters, terrorism, hazardous materials, evacuation planning
EPA Emergency Disinfection of Drinking Water
Emergency water treatment — boiling, chemical disinfection, filtration
FEMA CERT Basic Training
Community Emergency Response Team training modules
FM 31-70 Basic Cold Weather Manual
Cold weather survival, hypothermia, snow shelters, movement on ice/snow
FM 90-3 Desert Operations
Desert survival, heat injuries, water procurement, navigation in desert
Nuclear War Survival Skills (Kearny)
Fallout protection, shelter construction, water decontamination, radiation measurement
FM 3-11 CBRN Defense Operations
Chemical, biological, radiological, nuclear defense — detection, decontamination, protection
TC 31-29 Supply Caching Techniques
Hidden supply caches, container selection, site selection, camouflage, recovery
Wildland Fire Suppression Tactics (PMS 465)
NWCG — fire behavior, suppression tactics, safety, size-up, mop-up procedures
Edible Wild Plants (Army Guide)
100+ species identification and preparation
FM 21-150 Combatives
Hand-to-hand combat, self-defense techniques, disarming
FM 22-100 Military Leadership
Leadership principles, crisis decision-making, group psychology, morale
🧭Navigation & Weather(5 sources)
FM 3-25.26 Map Reading & Land Navigation
Topographic maps, grid coordinates, compass, terrain association
American Practical Navigator (Bowditch)
NGA Pub 9 — celestial navigation, dead reckoning, tides, currents, weather, piloting
USCG Navigation Rules (COLREGS)
International and Inland Navigation Rules, lights and shapes, sound signals
NOAA Weather Spotter's Guide
Severe weather identification, tornado/thunderstorm/flood spotting, radar
Meteorology for Masters and Mates
Weather observation, barometer, cloud identification, storm prediction
🔧Engineering & Construction(8 sources)
Army Engineering & Construction FMs
Concrete, carpentry, electrical, water wells, sanitation — 10 field manuals
FM 5-34 Engineer Field Data
Construction data, bridge classification, demolitions, terrain analysis, utilities
FM 5-250 Explosives and Demolitions
Military explosives, demolition techniques, charge calculations, breaching
FM 5-430 Road Design & Construction
Road construction, airfield design, grading, drainage, surfacing, bridges
FM 5-10 Engineer Field Manual (Water Supply)
Military water supply — well drilling, purification, storage, distribution
Earth Building: Rammed Earth & Adobe
Rammed earth walls (USDA 1926), adobe construction methods (1955)
FM 5-15 Field Fortifications (1944)
Trenches, foxholes, dugouts, bunkers, camouflage, defensive positions
Cassell's Carpentry and Joinery (1907)
Comprehensive woodworking, joinery, tools, materials, construction techniques
🌾Agriculture & Food(11 sources)
USDA Agriculture & Food Preservation
Home canning (7 guides), soil management, composting — 9 publications
Peace Corps Technical Manuals
Agriculture, water/sanitation, aquaculture, grain storage, construction — 12 manuals
Farming for Profit (1881)
Agriculture, gardening, fruit-growing, livestock, mechanics, farm business
Home Canning and Drying (USDA, 1918)
Canning, drying, jellies, fermentation, salting, pickling
Secrets of Meat Curing and Sausage Making
Meat preservation, curing, smoking, sausage making, food safety
Food Preservation Guide
Home food preservation — canning, drying, fermenting, smoking
USDA Complete Guide to Home Canning (2015)
Pressure canning, boiling water canning, pickles, jams, salsas — comprehensive guide
Mushroom Cultivation (FAO)
Small-scale growing, substrate preparation, species selection, harvesting
Beekeeping (Peace Corps)
Hive management, honey production, bee health, tropical beekeeping
The Practical Angler (Stewart, 1883)
Trout fishing techniques, bait, tackle, river reading, fly fishing
The Trapper's Guide (Newhouse)
Fur trapping techniques, trap construction, animal behavior, wilderness skills
⚓Maritime & Seamanship(2 sources)
Seamanship & Maritime Skills
USCG Boating Skills & Seamanship, U.S. Navy Manual
Knots, Splicing & Rigging
FM 5-125 Rigging, Hasluck's Knotting (1927), Verrill's Rope Work
📡Electronics & Communications(4 sources)
Electronics & Electrical Science
NEETS 24 modules, FM 55-506-1, DOE Electrical Science, Sears wiring — 31 PDFs
Military Radio Communications
FM 24-6, FM 24-18, FM 24-19, MCRP 3-40.3B — radio operations and procedures
Collins Radio Amateur Handbook (1922)
Amateur radio fundamentals, circuits, antenna construction
Solar Photovoltaics for Homes (NREL)
PV system planning, installation, grid-tie, off-grid, batteries, inverters
🔨Trades & Crafts(8 sources)
DIY Workshop & Repair
Welding (TM 9-237), radio (ARRL 1926), appliance repair
Vehicle Mechanics (Army/Navy TMs)
Automotive vehicles, diesel engines, tractors, inspections — 8 TMs
Farm Blacksmithing (1910)
Forge work, tool making, horseshoeing, iron/steel working
The Home Mechanic (1897)
Carpentry, painting, horseshoeing, soap making, tanning, taxidermy, baking
Textile, Sewing & Leatherwork
Army sewing TM, Practical Sewing (1913), tanning and leather manufacture
Practical Tanning (1922)
Leather manufacture, tanning, currying, chrome leather dressing
Indian Basket Weaving (1903)
Basket weaving techniques, materials, patterns, natural fibers
A Treatise on Ceramic Industries (1911)
Pottery, tile, brick manufacture — clays, glazes, kilns, firing
⚗️Chemistry & Industrial Processes(3 sources)
Practical Chemistry & Distillation
Soap making, distillation, fermentation, industrial chemistry, water purification
The Art of Soap-Making (1884)
Manufacture of hard/soft soaps, toilet soaps, glycerine recovery
Distillation Principles and Processes (1922)
Distillation theory, apparatus, industrial processes, water purification
🎯Firearms & Defense(1 source)
Firearms, Hunting & Trapping
FM 23-5 M1 Rifle, FM 23-8 M14, TM 9-285 Shotguns, FM 21-76-1 Survival/Evasion
📚Reference & General Knowledge(2 sources)
Appropedia
Appropriate technology and preparedness articles
Army.mil Field Manuals
U.S. Army technical and field manuals corpus
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