IxTheo Classification
[Unassigned]
3,290,217 results
HC New Testament
106,639 results
HB Old Testament
104,421 results
KDB Roman Catholic Church
80,270 results
SB Catholic Church law
74,852 results
KAJ Church history 1914-; recent history
53,650 results
HA Bible
41,257 results
KBB German language area
39,739 results
KDD Protestant Church
39,515 results
CB Christian life; spirituality
36,207 results
KAH Church history 1648-1913; modern history
29,578 results
RB Church office; congregation
28,894 results
KAB Church history 30-500; early Christianity
26,867 results
CD Christianity and Culture
25,165 results
NBE Anthropology
24,153 results
SA Church law; state-church law
23,958 results
VA Philosophy
23,149 results
HH Archaeology
22,739 results
RC Liturgy
22,439 results
KCA Monasticism; religious orders
22,016 results
RF Christian education; catechetics
20,203 results
AD Sociology of religion; religious policy
20,092 results
KAG Church history 1500-1648; Reformation; humanism; Renaissance
18,768 results
NBC Doctrine of God
18,311 results
HD Early Judaism
17,768 results
BH Judaism
17,752 results
CG Christianity and Politics
17,519 results
RJ Mission; missiology
17,416 results
CH Christianity and Society
16,780 results
NCC Social ethics
16,352 results
CC Christianity and Non-Christian religion; Inter-religious relations
15,756 results
KBQ North America
15,604 results
KDJ Ecumenism
15,548 results
NCA Ethics
13,995 results
NBF Christology
13,151 results
RG Pastoral care
12,978 results
BJ Islam
12,595 results
KAE Church history 900-1300; high Middle Ages
12,576 results
TC Pre-Christian history ; Ancient Near East
12,569 results
KDG Free church
12,342 results
NBP Sacramentology; sacraments
12,342 results
FD Contextual theology
11,486 results
KBJ Italy
10,663 results
NCF Sexual ethics
10,601 results
AB Philosophy of religion; criticism of religion; atheism
10,318 results
RE Homiletics
10,235 results
NBN Ecclesiology
10,193 results
KBM Asia
10,058 results
KBK Europe (East)
9,921 results
XA Law
9,453 results
NCG Environmental ethics; Creation ethics
9,315 results
AG Religious life; material religion
9,310 results
KBL Near East and North Africa
9,120 results
AA Study of religion
8,955 results
KBN Sub-Saharan Africa
8,950 results
NCD Political ethics
8,920 results
ZB Sociology
8,873 results
CF Christianity and Science
8,676 results
BC Ancient Orient; religion
8,554 results
TK Recent history
8,441 results
KDF Orthodox Church
8,297 results
FA Theology
8,272 results
KCD Hagiography; saints
7,958 results
KAA Church history
7,895 results
ZD Psychology
7,838 results
NBK Soteriology
7,605 results
NAA Systematic theology
7,317 results
NCE Business ethics
7,190 results
KBR Latin America
7,121 results
CE Christian art
7,100 results
KBF British Isles
7,067 results
KBG France
7,013 results
RA Practical theology
7,005 results
NBQ Eschatology
6,772 results
RK Charity work
6,734 results
KBH Iberian Peninsula
6,462 results
RH Evangelization; Christian media
6,375 results
FB Theological education
6,280 results
KCB Papacy
6,166 results
KAF Church history 1300-1500; late Middle Ages
6,117 results
KDE Anglican Church
6,105 results
NBD Doctrine of Creation
6,068 results
ZF Education
6,006 results
KCC Councils
5,673 results
RD Hymnology
5,654 results
AX Inter-religious relations
5,509 results
AZ New religious movements
5,215 results
AE Psychology of religion
5,207 results
TB Antiquity
5,151 results
ZC Politics in general
5,118 results
KAC Church history 500-1500; Middle Ages
4,835 results
KBD Benelux countries
4,699 results
KAD Church history 500-900; early Middle Ages
4,449 results
CA Christianity
4,239 results
NBG Pneumatology; Holy Spirit
4,039 results
NBJ Mariology
4,012 results
ZG Media studies; Digital media; Communication studies
3,753 results
BL Buddhism
3,734 results
VB Hermeneutics; Philosophy
3,690 results
NBA Dogmatics
3,497 results
NAB Fundamental theology
3,402 results
NCB Personal ethics
3,387 results
BE Greco-Roman religions
3,345 results
NBB Doctrine of Revelation
3,289 results
KBC Switzerland
3,233 results
KBE Northern Europe; Scandinavia
3,186 results
NCH Medical ethics
3,163 results
TJ Modern history
3,148 results
SD Church law; Protestant Church
3,015 results
BK Hinduism, Jainism, Sikhism
2,935 results
KBA Western Europe
2,912 results
BF Gnosticism
2,772 results
TE Middle Ages
2,552 results
NBM Doctrine of Justification
2,482 results
TA History
1,922 results
ZA Social sciences
1,808 results
KBS Australia; Oceania
1,799 results
AH Religious education
1,733 results
KDH Christian sects
1,562 results
BB Indigenous religions
1,505 results
NBH Angelology; demonology
1,495 results
NCJ Ethics of science
1,252 results
KDA Church denominations
1,230 results
AF Geography of religion
1,171 results
BM Chinese universism; Confucianism; Taoism
964 results
SE Church law; Orthodox Church
943 results
NBL Doctrine of Predestination
763 results
BG World religions
721 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
327 results
BD Ancient European religions
312 results
TF Early Middle Ages
296 results
BS Traditional African religions
294 results
BN Shinto
249 results
BR Ancient religions of the Americas
205 results
BT Religions of Oceania
28 results