IxTheo Classification
[Unassigned]
3,253,547 results
HC New Testament
106,558 results
HB Old Testament
104,323 results
KDB Roman Catholic Church
79,612 results
SB Catholic Church law
74,784 results
KAJ Church history 1914-; recent history
53,242 results
HA Bible
41,193 results
KDD Protestant Church
39,332 results
KBB German language area
38,883 results
CB Christian life; spirituality
36,039 results
KAH Church history 1648-1913; modern history
29,137 results
RB Church office; congregation
28,721 results
KAB Church history 30-500; early Christianity
26,800 results
CD Christianity and Culture
25,046 results
NBE Anthropology
24,001 results
SA Church law; state-church law
23,807 results
VA Philosophy
23,073 results
HH Archaeology
22,715 results
RC Liturgy
22,346 results
KCA Monasticism; religious orders
21,809 results
RF Christian education; catechetics
20,148 results
AD Sociology of religion; religious policy
20,061 results
KAG Church history 1500-1648; Reformation; humanism; Renaissance
18,643 results
NBC Doctrine of God
18,244 results
HD Early Judaism
17,738 results
BH Judaism
17,723 results
RJ Mission; missiology
17,368 results
CG Christianity and Politics
17,361 results
NCC Social ethics
16,306 results
CH Christianity and Society
16,277 results
CC Christianity and Non-Christian religion; Inter-religious relations
15,733 results
KBQ North America
15,555 results
KDJ Ecumenism
15,510 results
NCA Ethics
13,937 results
NBF Christology
13,107 results
RG Pastoral care
12,940 results
TC Pre-Christian history ; Ancient Near East
12,576 results
BJ Islam
12,562 results
KAE Church history 900-1300; high Middle Ages
12,502 results
NBP Sacramentology; sacraments
12,299 results
KDG Free church
12,273 results
FD Contextual theology
11,456 results
KBJ Italy
10,632 results
NCF Sexual ethics
10,566 results
AB Philosophy of religion; criticism of religion; atheism
10,302 results
RE Homiletics
10,207 results
NBN Ecclesiology
10,154 results
KBM Asia
10,015 results
KBK Europe (East)
9,866 results
XA Law
9,413 results
NCG Environmental ethics; Creation ethics
9,289 results
AG Religious life; material religion
9,269 results
KBL Near East and North Africa
9,053 results
AA Study of religion
8,948 results
KBN Sub-Saharan Africa
8,923 results
NCD Political ethics
8,880 results
ZB Sociology
8,860 results
CF Christianity and Science
8,617 results
BC Ancient Orient; religion
8,552 results
TK Recent history
8,383 results
KDF Orthodox Church
8,275 results
FA Theology
8,191 results
KCD Hagiography; saints
7,907 results
ZD Psychology
7,786 results
NBK Soteriology
7,589 results
KAA Church history
7,548 results
NAA Systematic theology
7,307 results
NCE Business ethics
7,182 results
KBR Latin America
7,092 results
KBF British Isles
7,046 results
CE Christian art
7,045 results
RA Practical theology
7,000 results
KBG France
6,988 results
NBQ Eschatology
6,752 results
RK Charity work
6,725 results
KBH Iberian Peninsula
6,446 results
RH Evangelization; Christian media
6,366 results
FB Theological education
6,215 results
KCB Papacy
6,126 results
KDE Anglican Church
6,093 results
KAF Church history 1300-1500; late Middle Ages
6,068 results
NBD Doctrine of Creation
6,037 results
ZF Education
5,976 results
RD Hymnology
5,625 results
KCC Councils
5,624 results
AX Inter-religious relations
5,494 results
AZ New religious movements
5,211 results
AE Psychology of religion
5,190 results
TB Antiquity
5,135 results
ZC Politics in general
5,081 results
KAC Church history 500-1500; Middle Ages
4,814 results
KBD Benelux countries
4,674 results
KAD Church history 500-900; early Middle Ages
4,420 results
CA Christianity
4,214 results
NBG Pneumatology; Holy Spirit
4,029 results
NBJ Mariology
3,997 results
BL Buddhism
3,732 results
ZG Media studies; Digital media; Communication studies
3,714 results
VB Hermeneutics; Philosophy
3,668 results
NBA Dogmatics
3,485 results
NAB Fundamental theology
3,377 results
NCB Personal ethics
3,377 results
BE Greco-Roman religions
3,342 results
NBB Doctrine of Revelation
3,283 results
KBC Switzerland
3,205 results
KBE Northern Europe; Scandinavia
3,173 results
NCH Medical ethics
3,133 results
TJ Modern history
3,127 results
SD Church law; Protestant Church
3,012 results
BK Hinduism, Jainism, Sikhism
2,934 results
KBA Western Europe
2,893 results
BF Gnosticism
2,774 results
TE Middle Ages
2,557 results
NBM Doctrine of Justification
2,480 results
TA History
1,914 results
KBS Australia; Oceania
1,794 results
ZA Social sciences
1,793 results
AH Religious education
1,727 results
KDH Christian sects
1,558 results
BB Indigenous religions
1,505 results
NBH Angelology; demonology
1,490 results
NCJ Ethics of science
1,232 results
KDA Church denominations
1,226 results
AF Geography of religion
1,155 results
BM Chinese universism; Confucianism; Taoism
964 results
SE Church law; Orthodox Church
943 results
NBL Doctrine of Predestination
761 results
BG World religions
718 results
TD Late Antiquity
590 results
TG High Middle Ages
568 results
KDC Old Catholic Church
445 results
KBP America
408 results
TH Late Middle Ages
345 results
SC Church law; Anglican Church
327 results
BD Ancient European religions
311 results
TF Early Middle Ages
292 results
BS Traditional African religions
290 results
BN Shinto
249 results
BR Ancient religions of the Americas
205 results
BT Religions of Oceania
28 results