8000► General, history and biography [for rangaku and yōgaku see also 7018]
—.10: Earliest and premodern
—.20: Nara period (645-794)
—.30: Heian period (794-1185)
—.40: Kamakura period, Yoshino (1185-1392) and Chūsei in general (1185-1600)
—.50: Muromachi, Ashikaga, Sengoku and Azuchi-Momoyama periods (1392-1615)
—.60: Kinsei, Edo, Tokugawa period, early modern (1600-1867)
—.70: Kindai (1850s- ), bakumatsu, Meiji, Taishō
—.80: Gendai (1926- ), Shōwa period, 20th century
—.90: Postwar Shōwa (1945- ), Heisei period (1989- ), contemporary
8100► General [ Preferably see Biology 7500 and Agriculture, forestry, fishing and hunting 4430; for rangaku and yōgaku see 7018] [for rural sociology see4190ff]
8200► Sericulture (silk and silk worms)
8220► Aquatic and hunting industries (fishery and game)
8230► General [ [for rangaku and yōgaku see 7018]
8240► Household science and technology
8250► Household economics and administration[for cooperation see also 4563]
8280► Food and cookery[see also 4152]
8288► Nursery and domestic medicine
8300► General [ [for rangaku and yōgaku see 7018]
8372► Bathing houses, onsen, sento [division by table 2 Japan] [see also 4154; 8380]
⇒ 4535
8381► Inns and hotels [division by table 2 Japan]
8383► Travel agengies
8385► Restaurants [division by table 2 Japan]
8386► Bars and clubs [division by table 2 Japan]
8491► India rubber industry
8492► Tobacco industry
8493► Flour milling industry
8494► Rice ( -cleaning) industry
8496► Animal products industries
8497► Meat ( -packing) industry
8498► Egg ( -drying) industry
8500► General [ [for rangaku and yōgaku see 7018]
8575► Varnishes and laquers
8600► General [ [for rangaku and yōgaku see 7018]
8620► Japan [division by table 2 Japan]
8700► General [ [for rangaku and yōgaku see 7018]
8720► Civil engineering
8730► Hydraulic engineering [see also 6587 and 3409]
8740► Sanitary and municipal engineering [division by table 1]
8750► Roads and pavements
8760► Railroad engineering and operation
8780► Bridge and roof enineering
8790► Building and construction engineering [see also 6500ff]
8800► Mechanical engineering and machinery
8830► Electrical engineering and industries
8850► Motor vehicles and automobile industries
8860► Aeronautical engineering, aerial navigation, aviation industries
8880► Shipbuilding, marine engineering and navigation
8970► General
8971►
8972►
8973►
8974►
8975►
8976►
8977►
8978►
8979►
8990►
8991►
8992►
8993►
8994►
8995►
8996►
8997►