IxTheo Classification
KAJ Church history 1914-; recent history
KDB Roman Catholic Church
21,360 results
KBB German language area
10,593 results
KDD Protestant Church
10,121 results
CG Christianity and Politics
4,924 results
KAH Church history 1648-1913; modern history
3,748 results
KBQ North America
3,592 results
KDJ Ecumenism
3,317 results
RB Church office; congregation
3,055 results
CB Christian life; spirituality
2,620 results
KBK Europe (East)
2,586 results
KCC Councils
2,496 results
CD Christianity and Culture
2,489 results
KCA Monasticism; religious orders
2,443 results
CH Christianity and Society
2,437 results
KDG Free church
2,353 results
RC Liturgy
2,055 results
KBJ Italy
1,963 results
RJ Mission; missiology
1,826 results
VA Philosophy
1,723 results
NBE Anthropology
1,698 results
KDF Orthodox Church
1,639 results
KBN Sub-Saharan Africa
1,512 results
KCB Papacy
1,486 results
KBR Latin America
1,429 results
SA Church law; state-church law
1,376 results
NCC Social ethics
1,353 results
KBG France
1,341 results
CC Christianity and Non-Christian religion; Inter-religious relations
1,316 results
KBM Asia
1,290 results
KAG Church history 1500-1648; Reformation; humanism; Renaissance
1,230 results
NBN Ecclesiology
1,220 results
KBH Iberian Peninsula
1,214 results
NCD Political ethics
1,206 results
FB Theological education
1,130 results
FD Contextual theology
1,123 results
NBC Doctrine of God
1,044 results
KBD Benelux countries
1,001 results
RF Christian education; catechetics
972 results
RH Evangelization; Christian media
967 results
NCA Ethics
957 results
AD Sociology of religion; religious policy
929 results
NAA Systematic theology
922 results
KBF British Isles
918 results
HC New Testament
911 results
HA Bible
876 results
FA Theology
874 results
KDE Anglican Church
856 results
SB Catholic Church law
843 results
KBL Near East and North Africa
802 results
NBF Christology
790 results
BH Judaism
766 results
CF Christianity and Science
732 results
NCF Sexual ethics
687 results
KCD Hagiography; saints
650 results
KBE Northern Europe; Scandinavia
647 results
KAB Church history 30-500; early Christianity
642 results
RG Pastoral care
582 results
NBP Sacramentology; sacraments
570 results
KAE Church history 900-1300; high Middle Ages
564 results
RK Charity work
559 results
HB Old Testament
552 results
CE Christian art
519 results
KBC Switzerland
491 results
ZC Politics in general
491 results
NBK Soteriology
466 results
RD Hymnology
466 results
AB Philosophy of religion; criticism of religion; atheism
442 results
NCG Environmental ethics; Creation ethics
427 results
KAA Church history
422 results
NBJ Mariology
399 results
KBA Western Europe
397 results
ZG Media studies; Digital media; Communication studies
380 results
NBQ Eschatology
373 results
NBB Doctrine of Revelation
369 results
RE Homiletics
358 results
NAB Fundamental theology
353 results
KBS Australia; Oceania
336 results
NCE Business ethics
329 results
BJ Islam
313 results
NBD Doctrine of Creation
313 results
NBG Pneumatology; Holy Spirit
291 results
RA Practical theology
255 results
TK Recent history
255 results
NBA Dogmatics
242 results
XA Law
220 results
ZF Education
212 results
ZD Psychology
210 results
NCB Personal ethics
207 results
VB Hermeneutics; Philosophy
206 results
ZB Sociology
198 results
KDH Christian sects
188 results
AA Study of religion
183 results
CA Christianity
182 results
NCH Medical ethics
162 results
KAC Church history 500-1500; Middle Ages
152 results
SD Church law; Protestant Church
149 results
AX Inter-religious relations
148 results
KAF Church history 1300-1500; late Middle Ages
115 results
NBM Doctrine of Justification
103 results
HH Archaeology
82 results
KDC Old Catholic Church
81 results
AG Religious life; material religion
79 results
KAD Church history 500-900; early Middle Ages
70 results
AE Psychology of religion
67 results
KDA Church denominations
65 results
AF Geography of religion
61 results
BK Hinduism, Jainism, Sikhism
61 results
KBP America
61 results
AZ New religious movements
60 results
ZA Social sciences
59 results
BL Buddhism
58 results
NBH Angelology; demonology
53 results
HD Early Judaism
51 results
NCJ Ethics of science
46 results
SE Church law; Orthodox Church
46 results
NBL Doctrine of Predestination
41 results
TA History
41 results
AH Religious education
31 results
TB Antiquity
29 results
TJ Modern history
26 results
BM Chinese universism; Confucianism; Taoism
21 results
BB Indigenous religions
20 results
BF Gnosticism
17 results
BS Traditional African religions
16 results
BG World religions
15 results
SC Church law; Anglican Church
13 results
TC Pre-Christian history ; Ancient Near East
7 results
TD Late Antiquity
7 results
BC Ancient Orient; religion
6 results
BN Shinto
6 results
TE Middle Ages
6 results
BE Greco-Roman religions
5 results
BR Ancient religions of the Americas
3 results
BD Ancient European religions
2 results
TG High Middle Ages
1 results