IxTheo Classification
[Unassigned]
3,267,419 results
HC New Testament
106,629 results
HB Old Testament
104,381 results
KDB Roman Catholic Church
80,085 results
SB Catholic Church law
74,829 results
KAJ Church history 1914-; recent history
53,526 results
HA Bible
41,228 results
KBB German language area
39,639 results
KDD Protestant Church
39,492 results
CB Christian life; spirituality
36,161 results
KAH Church history 1648-1913; modern history
29,515 results
RB Church office; congregation
28,837 results
KAB Church history 30-500; early Christianity
26,859 results
CD Christianity and Culture
25,126 results
NBE Anthropology
24,094 results
SA Church law; state-church law
23,952 results
VA Philosophy
23,122 results
HH Archaeology
22,731 results
RC Liturgy
22,396 results
KCA Monasticism; religious orders
21,991 results
RF Christian education; catechetics
20,193 results
AD Sociology of religion; religious policy
20,084 results
KAG Church history 1500-1648; Reformation; humanism; Renaissance
18,766 results
NBC Doctrine of God
18,282 results
HD Early Judaism
17,766 results
BH Judaism
17,740 results
CG Christianity and Politics
17,496 results
RJ Mission; missiology
17,396 results
CH Christianity and Society
16,621 results
NCC Social ethics
16,327 results
CC Christianity and Non-Christian religion; Inter-religious relations
15,756 results
KBQ North America
15,570 results
KDJ Ecumenism
15,530 results
NCA Ethics
13,973 results
NBF Christology
13,136 results
RG Pastoral care
12,970 results
BJ Islam
12,584 results
KAE Church history 900-1300; high Middle Ages
12,568 results
TC Pre-Christian history ; Ancient Near East
12,566 results
NBP Sacramentology; sacraments
12,326 results
KDG Free church
12,314 results
FD Contextual theology
11,479 results
KBJ Italy
10,653 results
NCF Sexual ethics
10,586 results
AB Philosophy of religion; criticism of religion; atheism
10,311 results
RE Homiletics
10,228 results
NBN Ecclesiology
10,181 results
KBM Asia
10,038 results
KBK Europe (East)
9,897 results
XA Law
9,443 results
NCG Environmental ethics; Creation ethics
9,309 results
AG Religious life; material religion
9,299 results
KBL Near East and North Africa
9,087 results
AA Study of religion
8,949 results
KBN Sub-Saharan Africa
8,936 results
NCD Political ethics
8,899 results
ZB Sociology
8,869 results
CF Christianity and Science
8,644 results
BC Ancient Orient; religion
8,547 results
TK Recent history
8,420 results
KDF Orthodox Church
8,292 results
FA Theology
8,252 results
KCD Hagiography; saints
7,947 results
KAA Church history
7,889 results
ZD Psychology
7,813 results
NBK Soteriology
7,596 results
NAA Systematic theology
7,317 results
NCE Business ethics
7,191 results
KBR Latin America
7,104 results
CE Christian art
7,081 results
KBF British Isles
7,062 results
KBG France
7,010 results
RA Practical theology
7,003 results
NBQ Eschatology
6,767 results
RK Charity work
6,731 results
KBH Iberian Peninsula
6,454 results
RH Evangelization; Christian media
6,370 results
FB Theological education
6,268 results
KCB Papacy
6,150 results
KAF Church history 1300-1500; late Middle Ages
6,115 results
KDE Anglican Church
6,098 results
NBD Doctrine of Creation
6,067 results
ZF Education
6,005 results
KCC Councils
5,658 results
RD Hymnology
5,650 results
AX Inter-religious relations
5,502 results
AZ New religious movements
5,212 results
AE Psychology of religion
5,197 results
TB Antiquity
5,152 results
ZC Politics in general
5,099 results
KAC Church history 500-1500; Middle Ages
4,835 results
KBD Benelux countries
4,695 results
KAD Church history 500-900; early Middle Ages
4,447 results
CA Christianity
4,229 results
NBG Pneumatology; Holy Spirit
4,033 results
NBJ Mariology
4,010 results
BL Buddhism
3,734 results
ZG Media studies; Digital media; Communication studies
3,733 results
VB Hermeneutics; Philosophy
3,677 results
NBA Dogmatics
3,495 results
NAB Fundamental theology
3,401 results
NCB Personal ethics
3,380 results
BE Greco-Roman religions
3,345 results
NBB Doctrine of Revelation
3,286 results
KBC Switzerland
3,231 results
KBE Northern Europe; Scandinavia
3,180 results
TJ Modern history
3,141 results
NCH Medical ethics
3,134 results
SD Church law; Protestant Church
3,015 results
BK Hinduism, Jainism, Sikhism
2,934 results
KBA Western Europe
2,905 results
BF Gnosticism
2,773 results
TE Middle Ages
2,552 results
NBM Doctrine of Justification
2,481 results
TA History
1,921 results
ZA Social sciences
1,805 results
KBS Australia; Oceania
1,795 results
AH Religious education
1,732 results
KDH Christian sects
1,560 results
BB Indigenous religions
1,505 results
NBH Angelology; demonology
1,494 results
NCJ Ethics of science
1,238 results
KDA Church denominations
1,228 results
AF Geography of religion
1,159 results
BM Chinese universism; Confucianism; Taoism
964 results
SE Church law; Orthodox Church
943 results
NBL Doctrine of Predestination
763 results
BG World religions
718 results
TD Late Antiquity
601 results
TG High Middle Ages
569 results
KDC Old Catholic Church
460 results
KBP America
409 results
TH Late Middle Ages
346 results
SC Church law; Anglican Church
328 results
BD Ancient European religions
312 results
TF Early Middle Ages
296 results
BS Traditional African religions
292 results
BN Shinto
249 results
BR Ancient religions of the Americas
205 results
BT Religions of Oceania
28 results