# Library of Congress Classification:Class S -- Agriculture

Class S: Agriculture is a classification used by the Library of Congress Classification system. This page outlines the subclasses of Class S.

## S - Agriculture (general)

    21-400.5....................................Documents and other collections
    403............................................Agricultural missions, voyages, etc.
    419-482.....................................History
    530-559.....................................Agricultural education
       539.5-542.3.....................................Research. Experimentation
       544-545.53.......................................Agricultural extension work
       548-548.6........................................Historic farms
       550-559...........................................Exhibitions. Fairs
    560-571.5..................................Farm economics. Farm management. Agricultural mathematics. Including production standards, record keeping, farmwork rates, marketing
    583-587.73.................................Agricultural chemistry. Agricultural chemicals
    588.4-589.6...............................Agricultural physics. Including radioisotopes in agriculture
    589.7.........................................Agricultural ecology (General)
    589.75-589.76............................Agriculture and the environment
    589.8-589.87..............................Plant growing media. Potting soils
    590-599.9..................................Soils. Soil science. Including soil surveys, soil chemistry, soil structure, soil-plant relationships
    600-600.7..................................Agricultural meteorology. Crops and climate
    602.5-604.37..............................Methods and systems of culture. Cropping systems. Including fallowing, rotation of crops, plowing
    604.5-604.64..............................Agricultural conservation
    604.8-621.5...............................Melioration: Improvement, reclamation, fertilization, irrigation, etc., of lands
       605.5...............................................Organic farming. Organiculture
       606-621.5........................................Special classes of lands and reclamation methods. Including woodlands, burning of lands, deserts, saline environments, moors
    622-627.....................................Soil conservation and protection
    631-667.....................................Fertilizers and improvement of the soil
    671-760.5..................................Farm machinery and farm engineering
    770-790.3..................................Agricultural structures. Farm buildings
    900-(972)...................................Conservation of natural resources. Including land conservation

## SB - Plant culture

    39............................................Horticultural voyages, etc.
    71-87.......................................History
    107-109...................................Economic botany
    109.7-111................................Methods for special areas. Including cold regions, dry farming, tropical agriculture
    112..........................................Irrigation farming
    113.2-118.46............................Seeds. Seed technology
    118.48-118.75..........................Nurseries. Nursery industry
    119-124...................................Propagation. Including breeding, selection, grafting, air layering
    125..........................................Training and pruning
    126..........................................Artificial light gardening
    126.5-126.57............................Hydroponics. Soilless agriculture
    127..........................................Forcing
    128..........................................Growth regulators
    129-130...................................Harvesting, curing, storage
    169-172.5................................Tree crops
    175-177...................................Food crops
    183-317...................................Field crops. Including cereals, forage crops, grasses, legumes, root crops, sugar plants, textile plants, alkaloidal plants, medicinal plants
    317.5-319.864..........................Horticulture. Horticultural crops
    320-353.5................................Vegetables
    354-402...................................Fruit and fruit culture
       381-386.........................................Berries and small fruits
       387-399.........................................Grape culture. Viticulture
       401................................................Nuts
    403-450.87...............................Flowers and flower culture. Ornamental plants
       406.7-406.83..................................Plant propagation
       409-413.........................................Culture of individual plants
       414................................................Forcing
       414.6-417......................................Greenhouses and greenhouse culture
       418-418.4......................................Container gardening
       419-419.3......................................Indoor gardening and houseplants
       419.5.............................................Roof gardening. Balcony gardening
       421-439.8......................................Classes of plants. Including annuals, climbers, ferns, lawns, perennials, shrubs
       441-441.75.....................................Flower shows. Exhibitions
       442.5.............................................Care and preparation of cut flowers and ornamental plants for market
       442.8-443.4...................................Marketing. Cut flower industry. Florists
       446-446.6......................................Horticultural service industry
       447................................................Preservation and reproduction of flowers, fruits, etc.
       447.5.............................................Bonkei. Tray landscapes
       449-450.87.....................................Flower arrangement and decoration
    450.9-467.8.............................Gardens and gardening
    469-(476.4)..............................Landscape gardening. Landscape architecture
    481-486...................................Parks and public reservations. Including theory, management, history
    599-990.5................................Pests and diseases
       608................................................Individual or types of plants or trees
       610-615.........................................Weeds, parasitic plants, etc.
       617-618.........................................Poisonous plants
       621-795.........................................Plant pathology
       818-945.........................................Economic entomology
       950-990.5......................................Pest control and treatment of diseases. Plant protection
          950.9-970.4.........................................Pesticides
          973-973.5............................................Soil disinfection
          974-978...............................................Organic plant protection. Biological control
          979.5-985............................................Inspection. Quarantine
    992-998...................................Economic zoology applied to crops. Agricultural zoology. Including animals injurious and beneficial to plants

## SD - Forestry

    11-115.....................................Documents
    119..........................................Voyages, etc.
    131-247.5................................History of forestry. Forest conditions
    250-363.3................................Forestry education
    388..........................................Forestry machinery and engineering
    388.5.......................................Tools and implements
    389..........................................Forest roads
    390-390.43...............................Forest soils
    390.5-390.7.............................Forest meteorology. Forest microclimatology
    391-410.9................................Sylviculture
    411-428...................................Conservation and protection. Including forest influences, damage by elements, fires, forest reserves
    430-(559).................................Exploitation and utilization. Including timber trees, fuelwood, logging, transportation, valuation
    561-669.5................................Administration. Policy

## SF - Animal culture

    41-55.......................................History
    84-84.64..................................Economic zoology
    84.82-85.6...............................Rangelands. Range management. Grazing
    87............................................Acclimatization
    89............................................Transportation
    91............................................Housing and environmental control
    92............................................Equipment and supplies
    94.5-99....................................Feeds and feeding. Animal nutrition
    101-103.5.................................Brands and branding, and other means of identifying
    105-109....................................Breeding and breeds
    111-113....................................Cost, yield, and profit. Accounting
    114-121....................................Exhibitions
    170-180....................................Working animals
    191-275....................................Cattle
       221-250..........................................Dairying
       250.5-275.......................................Dairy processing. Dairy products
    277-360.4.................................Horses
       294.2-297.......................................Horse sports. Horse shows
       304.5-307.......................................Driving
       308.5-310.5....................................Horsemanship. Riding
       311-312..........................................Draft horses
       315-315.5.......................................Ponies
       321-359.7.......................................Racing
       360-360.4.......................................Feral horses. Wild horses
    361-361.73...............................Donkeys
    362..........................................Mules
    371-379....................................Sheep. Wool
    380-388....................................Goats
    391-397.83...............................Swine
    402-405....................................Fur-bearing animals
    405.5-407.................................Laboratory animals
    408-408.6.................................Zoo animals
    409..........................................Small animal culture
    411-459....................................Pets
       421-440.2.......................................Dogs. Dog racing
       441-450..........................................Cats
       451-455..........................................Rabbits and hares
       456-458.83.....................................Fishes. Aquariums
       459................................................Other animals
    461-473....................................Birds. Cage birds
    481-507....................................Poultry. Eggs
    508-(510.6)..............................Game birds
    511-511.5.................................Ostrich
    512-513....................................Ornamental birds
    515-515.5.................................Reptiles
    518..........................................Insect rearing
    521-539.8.................................Bee culture
    541-560....................................Sericulture. Silk culture
    561..........................................Lac-insects
    600-1100..................................Veterinary medicine
       756.5-769.5....................................Special preclinical sciences. Including veterinary genetics, ethology, anatomy, physiology, embryology, pathology
       780.2-780.7....................................Veterinary microbiology, bacteriology, virology, mycology
       780.9.............................................Veterinary epidemiology. Epizootiology
       781-809..........................................Communicable diseases of animals (General)
       810................................................Veterinary parasitology
       810.5-810.7....................................Predatory animals and their control
       811-909..........................................Veterinary medicine of special organs, regions, and systems
       910................................................Other diseases and conditions
       910.5.............................................Veterinary orthopedics
       911-914.4.......................................Veterinary surgery
          914.3-914.4..........................................Veterinary traumatology. Veterinary emergencies
       914.5.............................................Veterinary acupuncture
       915-919.5.......................................Veterinary pharmacology
       925................................................Veterinary physical medicine
       951-997.5.......................................Diseases of special classes of animals

## SH - Aquaculture. Fishery. Angling

    20.3-191..................................Aquaculture
       33-134.6........................................By region or country
       138................................................Mariculture
       151-179.........................................Fish culture
          171-179...............................................Diseases and adverse factors
       185-191.........................................Frogs, leeches, etc.
    201-399...................................Fisheries
       213-216.55....................................By oceans and seas
       219-321.........................................By region or country
       327.5-327.7...................................Fishery resources. Fishery conservation
       328-329.........................................Fishery management. Fishery policy
       334................................................Economic aspects. Finance
       334.5-334.7...................................Fishery technology
       334.9-336.5...................................Fishery processing
       337................................................Packing, transportation, and storage
       337.5.............................................Fishing port facilities
       343.2-343.3...................................Fishery oceanography. Fishery meteorology
       343.4.............................................Fishery research vessels
       343.5.............................................Exploratory fishing
       343.8.............................................Navigation
       343.9.............................................Safety measures
       344-344.8......................................Methods and gear. Catching of fish
       346-351.........................................Fishery for individual species
       360-363.........................................Seal fisheries. Fur sealing
       364................................................Sea otter
       365-380.92....................................Shellfish fisheries. Shellfish culture
       381-385.........................................Whaling
       387................................................Porpoises. Dolphins
       388.7-391.5...................................Algae culture
       393................................................Seagrasses
       396................................................Sponge fisheries
    400-400.8................................Seafood gathering
    401-691...................................Angling. Including tackle, casting, methods of angling, angling for special kinds of fish

## SK - Hunting sports

    37-39.5....................................Shooting
    40-268.....................................By country
    281-293...................................Special methods and types of hunting. Including bolos, game calling, tracking, trapping, dressing
       284-287.........................................Fox hunting
       291-292.........................................Coursing
       293................................................Ferreting
    295-305...................................Big game
    311-335...................................Bird hunting. Fowling
    336..........................................Varmint hunting (General)
    337..........................................Predator hunting
    341..........................................Other game
    351-579...................................Wildlife management. Game protection. Including annual reports of game commissioners
    590-593...................................Wild animal trade
    650-664...................................Wildlife-related recreation