IxTheo Classification
[Unassigned]
2,120,206 results
HC New Testament
96,590 results
HB Old Testament
91,180 results
SB Catholic Church law
73,183 results
KDB Roman Catholic Church
71,493 results
KAJ Church history 1914-; recent history
44,629 results
KBB German language area
36,408 results
HA Bible
35,802 results
KDD Protestant Church
34,611 results
CB Christian life; spirituality
29,697 results
RB Church office; congregation
25,134 results
KAH Church history 1648-1913; modern history
24,614 results
KAB Church history 30-500; early Christianity
22,865 results
SA Church law; state-church law
21,875 results
HH Archaeology
20,748 results
CD Christianity and Culture
20,645 results
RC Liturgy
20,609 results
KCA Monasticism; religious orders
20,146 results
VA Philosophy
18,546 results
RF Christian education; catechetics
18,043 results
NBE Anthropology
17,979 results
KAG Church history 1500-1648; Reformation; humanism; Renaissance
16,675 results
RJ Mission; missiology
15,450 results
HD Early Judaism
14,823 results
NBC Doctrine of God
14,751 results
BH Judaism
14,225 results
KDJ Ecumenism
14,164 results
NCC Social ethics
13,705 results
CC Christianity and Non-Christian religion; Inter-religious relations
13,575 results
CG Christianity and Politics
13,536 results
AD Sociology of religion; religious policy
12,941 results
TC Pre-Christian history ; Ancient Near East
11,682 results
NCA Ethics
11,501 results
RG Pastoral care
11,336 results
NBP Sacramentology; sacraments
11,318 results
CH Christianity and Society
11,301 results
KAE Church history 900-1300; high Middle Ages
11,134 results
NBF Christology
11,056 results
KBQ North America
10,687 results
KBJ Italy
9,919 results
BJ Islam
9,512 results
KDG Free church
9,500 results
RE Homiletics
9,059 results
NCF Sexual ethics
8,916 results
NBN Ecclesiology
8,870 results
FD Contextual theology
8,765 results
KBK Europe (East)
8,117 results
NCG Environmental ethics; Creation ethics
8,067 results
XA Law
8,045 results
BC Ancient Orient; religion
7,883 results
NCD Political ethics
7,339 results
KDF Orthodox Church
7,229 results
KCD Hagiography; saints
7,162 results
KBM Asia
6,926 results
ZB Sociology
6,744 results
CF Christianity and Science
6,732 results
KBL Near East and North Africa
6,711 results
AA Study of religion
6,551 results
NBK Soteriology
6,509 results
NAA Systematic theology
6,453 results
CE Christian art
6,377 results
KBN Sub-Saharan Africa
6,336 results
NCE Business ethics
6,305 results
TK Recent history
6,188 results
AB Philosophy of religion; criticism of religion; atheism
6,171 results
KBG France
6,088 results
ZD Psychology
5,850 results
FA Theology
5,807 results
NBQ Eschatology
5,800 results
RK Charity work
5,706 results
RH Evangelization; Christian media
5,568 results
KBH Iberian Peninsula
5,553 results
KCB Papacy
5,512 results
KAF Church history 1300-1500; late Middle Ages
5,393 results
KAA Church history
5,358 results
RD Hymnology
5,128 results
KDE Anglican Church
5,120 results
KBR Latin America
5,119 results
RA Practical theology
5,070 results
KCC Councils
5,039 results
NBD Doctrine of Creation
4,998 results
ZF Education
4,930 results
KBF British Isles
4,908 results
FB Theological education
4,720 results
TB Antiquity
4,336 results
KAC Church history 500-1500; Middle Ages
4,253 results
KBD Benelux countries
4,058 results
KAD Church history 500-900; early Middle Ages
3,852 results
AX Inter-religious relations
3,787 results
NBJ Mariology
3,711 results
AZ New religious movements
3,669 results
AG Religious life; material religion
3,524 results
AE Psychology of religion
3,454 results
NBG Pneumatology; Holy Spirit
3,402 results
CA Christianity
3,070 results
VB Hermeneutics; Philosophy
2,985 results
KBC Switzerland
2,966 results
SD Church law; Protestant Church
2,944 results
NBA Dogmatics
2,910 results
NAB Fundamental theology
2,858 results
NBB Doctrine of Revelation
2,853 results
ZC Politics in general
2,767 results
BE Greco-Roman religions
2,579 results
BF Gnosticism
2,542 results
BL Buddhism
2,532 results
TE Middle Ages
2,397 results
KBE Northern Europe; Scandinavia
2,391 results
KBA Western Europe
2,234 results
NBM Doctrine of Justification
2,212 results
BK Hinduism, Jainism, Sikhism
2,124 results
NCB Personal ethics
2,122 results
ZG Media studies; Digital media; Communication studies
2,032 results
TJ Modern history
1,973 results
TA History
1,579 results
NCH Medical ethics
1,291 results
KBS Australia; Oceania
1,287 results
NBH Angelology; demonology
1,180 results
BB Indigenous religions
1,138 results
KDA Church denominations
1,049 results
SE Church law; Orthodox Church
911 results
ZA Social sciences
846 results
BM Chinese universism; Confucianism; Taoism
651 results
NBL Doctrine of Predestination
651 results
KDH Christian sects
634 results
AH Religious education
615 results
BG World religions
592 results
AF Geography of religion
541 results
TD Late Antiquity
467 results
TG High Middle Ages
447 results
NCJ Ethics of science
435 results
KDC Old Catholic Church
433 results
SC Church law; Anglican Church
312 results
KBP America
292 results
TH Late Middle Ages
271 results
BD Ancient European religions
255 results
TF Early Middle Ages
204 results
BR Ancient religions of the Americas
145 results
BN Shinto
144 results
BS Traditional African religions
116 results
BT Religions of Oceania
12 results