Classification de la Bibliothèque du CongrèsRS100

17th century(32) agriculture(15) alchemy(45) alternative(8) anthropology(31) biology(54) botany(230) business(35) chemicals(11) chemistry(168) cocaine(7) dictionaries(19) disease(14) diy(13) drugs(329) ecology(25) energy(11) folklore(51) food(54) foods(6) garden(41) gardening(223) gardens(19) guide(29) hallucinogens(7) handbook(14) healing(138) health(621) Healthy Living(14) herb(18) herbalism(382) history(272) history of medicine(79) history of science(26) home remedies(25) horticulture(28) magic(29) math(131) medical(233) medical reference(22) medicine(816) medieval(50) natural(14) natural science(19) nature(97) nursing(122) nutrition(14) opium(18) pharmaceuticals(62) physician(6) pills(18) poison(9) potions(7) prescription drugs(18) psychedelics(18) psychology(43) reference(566) references(6) research(18) science(271) spices(10) study guide(11)