B-J Philosophy B Collections. History. Systems BC Logic BD Metaphysics Introductions to Philosophy. Treatises Epistemology. Theory of knowledge Onotology Cosmology. Teleology Philosophy of religion BF Psychology BH Esthetics BJ Ethics BL-BV Religion. Theology BL Religions. Mythology. Cults BM Theology. Generalities BN Historical (Church history) BQ Exegetical (Bible, etc.) BS Systematic (Dogmatics. Apologetics) BV Practical (Pastoral. Homiletics. Liturgies) C History--Auxiliary sciences CA Philosophy of history CB History of civilization (general and general special only) CC Antiquities. General CD Archives. Diplomatics CE Chronology CJ Numismatics CN Epigraphy. Inscriptions CE Heraldry CS Genealogy CT Biography D History and Topography (except America) D General history DA British history 20-690 England 700-749 Wales 750-890 Scotland 900-995 Ireland DB Austria-Hungary DC France DD Germany DE Classical antiquity DF Greece DG Italy DH-DJ Netherlands 1-399 Belgium and Holland 901-921 Belgium 901-916 Luxemburg. Holland DK Russia 100-400 Russia. General. 401-438 Poland 451-470 Finland 751-999 Russia in Asia DL Scandinavia 1- 81 Scandinavia. General 101-296 Denmark 301-398 Iceland 401-595 Norway 601-996 Sweden DP Spain and Portugal 1-462 Spain 500-902 Portugal DQ Switzerland DR Turkey and the Balkan States DS Asia DT Africa DU Australia and Oceania E-F America E America (general) and United States (general) F United States (local) and America outside of U.S. G Geography. Anthropology G Geography. Voyages. Travel (general) GA Mathematical and astronomical geography GB Physical geography GC Oceanology and oceanography GD Biography GF Anthropogeography GN Anthropology. Somatology. Ethnology. Ethnography, (general). Prehistoric archæology GR Folk-lore GT Culture and civilization. Manners and customs GV Sports and amusements. Games H Social Sciences. General