G, H Ethnology and Medicine G0 Ethnology G2 Human Anatomy and Physiology G3 Pathology G4 Materia medica G5 Therapeutics G6 Functions, Organs, Osteology G7 Nervous system G8 Sensory system G9 Respiratory system H0 Blood and Circulation H1 Digestive system H2 Urinary system H3 Reproductive system H4 Skin and Hair H5 Parasitical and Infectious diseases H6 Ambulance, Hospitals, Hygiene H7 Physical Training and Exercises H8 Field sports H9 Recreative arts I Economic Biology, Domestic Arts I0 Agriculture, Dairy farming I1 Veterinary medicine I2 Milling, Gardening, Forestry I3 Wood-working I4 Textile manufactures I5 Clothing trades I6 Costume. Jewellery I7 Vegetable and Animal products I8 Foods and Beverages I9 Gastronomy. Domestic economy J, K Philosophy and Religion J0 Metaphysics J1 Æsthetics, Psychology J2 Ethics J3 Philosophy J4 Theology, Religion, general J5 Mythology, Folk-lore J6 Church doctrines J7 Fasts and Festivals J8 Church Government K0 Non-Christian churches K1 Bible K3 Christology K4 Early and Eastern Christian churches K5 Monachism K6 Roman Catholicism K7 Protestantism. Episcopacy K8 Nonconformist churches K9 Presbyterian and other churches L Social and Political Science L0 Social science L1 Political economy L2 Government L3 Central and Local administration L4 Law L5 Trials. Actions L6 Criminology. Penology L7 Contracts. Property L8 Commerce and Trade L9 Finance M Language and Literature M0 Language, general M1 Literature, general M2 African Languages and Literature M2-3 Asiatic Languages and Literature M3 Malayan-Polynesian Literature M4 European (Latin, etc.) Literature M5 European (Teutonic) M6 American M7 Palæography. Bibliography M8 Printing, Bookbinding M9 Library economy N Literary Forms N0 Fiction N1 Poetry N2 Drama N3 Essays and Miscellanea O-W History and Geography O0 Universal history O1 Archæology O2 Universal geography O3 Africa, North O4 Egypt O5 East Africa O6 Central Africa O7 South Africa O8 West Africa O9 African Islands P Oceania and Asia P0 Australia P1 Polynesia, Micronesia, etc. P2 Malaysia P29 Asia P3 Japan P4 China P5 Farther India. Malay States P6 India P88 Afghanistan P9 Persia Q, R Europe (South, Latin, etc.)