KDB Roman Catholic Church 79,461
KAJ Church history 1914-; recent history 52,902
KDD Protestant Church 39,208
KBB German language area 38,570
KAH Church history 1648-1913; modern history 29,017
KAB Church history 30-500; early Christianity 26,727
KCA Monasticism; religious orders 21,769
KAG Church history 1500-1648; Reformation; humanism; Renaissance 18,589
KBQ North America 15,499
KDJ Ecumenism 15,492
KAE Church history 900-1300; high Middle Ages 12,486
KDG Free church 12,161
KBJ Italy 10,619
KBM Asia 9,913
KBK Europe (East) 9,829
KBL Near East and North Africa 9,004
KBN Sub-Saharan Africa 8,870
KDF Orthodox Church 8,268
KCD Hagiography; saints 7,887
KBR Latin America 7,047
KBF British Isles 7,028
KBG France 6,978
KBH Iberian Peninsula 6,432
KAA Church history 6,235
KCB Papacy 6,106
KDE Anglican Church 6,079
KAF Church history 1300-1500; late Middle Ages 6,052
KCC Councils 5,601
KAC Church history 500-1500; Middle Ages 4,800
KBD Benelux countries 4,667
KAD Church history 500-900; early Middle Ages 4,409
KBC Switzerland 3,199
KBE Northern Europe; Scandinavia 3,163
KBA Western Europe 2,875
KBS Australia; Oceania 1,788
KDH Christian sects 1,548
KDA Church denominations 1,220
KDC Old Catholic Church 445
KBP America 405