KDB Roman Catholic Church 8,016
KBB German language area 7,889
KAJ Church history 1914-; recent history 3,385
KDD Protestant Church 3,162
KCA Monasticism; religious orders 2,795
KCD Hagiography; saints 2,619
KBJ Italy 2,300
KDJ Ecumenism 1,687
KAH Church history 1648-1913; modern history 1,605
KCB Papacy 1,550
KBK Europe (East) 1,473
KBQ North America 1,359
KBH Iberian Peninsula 1,268
KCC Councils 1,210
KAG Church history 1500-1648; Reformation; humanism; Renaissance 1,048
KBG France 996
KDF Orthodox Church 966
KAB Church history 30-500; early Christianity 887
KAE Church history 900-1300; high Middle Ages 754
KBC Switzerland 716
KAC Church history 500-1500; Middle Ages 645
KBF British Isles 592
KDG Free church 454
KDE Anglican Church 429
KAF Church history 1300-1500; late Middle Ages 425
KBL Near East and North Africa 402
KBR Latin America 398
KBM Asia 396
KBD Benelux countries 339
KBE Northern Europe; Scandinavia 318
KBN Sub-Saharan Africa 256
KAD Church history 500-900; early Middle Ages 241
KAA Church history 240
KBA Western Europe 148
KDH Christian sects 87
KBS Australia; Oceania 81
KDA Church denominations 63
KDC Old Catholic Church 42
KBP America 12