IxTheo Classification
[Unassigned]
1,215,076 results
HB Old Testament
77,484 results
HC New Testament
77,405 results
KDB Roman Catholic Church
73,558 results
SB Catholic Church law
63,401 results
KAJ Church history 1914-; recent history
49,879 results
KDD Protestant Church
36,162 results
KBB German language area
35,982 results
CB Christian life; spirituality
33,089 results
RB Church office; congregation
27,222 results
KAH Church history 1648-1913; modern history
26,857 results
KAB Church history 30-500; early Christianity
23,445 results
CD Christianity and Culture
22,458 results
NBE Anthropology
22,062 results
HA Bible
21,031 results
HH Archaeology
20,653 results
RC Liturgy
20,200 results
SA Church law; state-church law
20,195 results
VA Philosophy
19,931 results
KCA Monasticism; religious orders
19,766 results
RF Christian education; catechetics
18,742 results
KAG Church history 1500-1648; Reformation; humanism; Renaissance
16,865 results
AD Sociology of religion; religious policy
16,715 results
NBC Doctrine of God
16,376 results
CG Christianity and Politics
16,007 results
NCC Social ethics
15,242 results
BH Judaism
14,723 results
KDJ Ecumenism
14,696 results
CH Christianity and Society
14,598 results
HD Early Judaism
14,247 results
CC Christianity and Non-Christian religion; Inter-religious relations
14,101 results
KBQ North America
13,506 results
NCA Ethics
12,376 results
RG Pastoral care
11,922 results
RJ Mission; missiology
11,784 results
NBF Christology
11,507 results
KAE Church history 900-1300; high Middle Ages
11,420 results
NBP Sacramentology; sacraments
11,307 results
KDG Free church
11,025 results
TC Pre-Christian history ; Ancient Near East
10,687 results
FD Contextual theology
10,480 results
BJ Islam
10,287 results
NCF Sexual ethics
9,990 results
KBJ Italy
9,881 results
KBK Europe (East)
9,287 results
RE Homiletics
9,046 results
NBN Ecclesiology
8,900 results
NCG Environmental ethics; Creation ethics
8,696 results
KBM Asia
8,413 results
XA Law
8,338 results
KBL Near East and North Africa
8,208 results
KBN Sub-Saharan Africa
8,197 results
NCD Political ethics
8,105 results
ZB Sociology
8,010 results
AB Philosophy of religion; criticism of religion; atheism
7,981 results
CF Christianity and Science
7,767 results
KDF Orthodox Church
7,692 results
TK Recent history
7,578 results
KCD Hagiography; saints
7,420 results
ZD Psychology
7,302 results
BC Ancient Orient; religion
7,145 results
AG Religious life; material religion
6,878 results
NBK Soteriology
6,830 results
NCE Business ethics
6,799 results
KBR Latin America
6,633 results
CE Christian art
6,627 results
RK Charity work
6,454 results
KBG France
6,409 results
KBF British Isles
6,320 results
AA Study of religion
6,198 results
NBQ Eschatology
6,189 results
RH Evangelization; Christian media
5,984 results
KBH Iberian Peninsula
5,961 results
FB Theological education
5,928 results
ZF Education
5,635 results
KCB Papacy
5,559 results
NBD Doctrine of Creation
5,525 results
KAF Church history 1300-1500; late Middle Ages
5,489 results
NAA Systematic theology
5,333 results
KCC Councils
5,088 results
FA Theology
4,833 results
RD Hymnology
4,656 results
AE Psychology of religion
4,510 results
KBD Benelux countries
4,388 results
AX Inter-religious relations
4,265 results
ZC Politics in general
4,263 results
TB Antiquity
4,193 results
AZ New religious movements
4,057 results
RA Practical theology
3,957 results
KAC Church history 500-1500; Middle Ages
3,880 results
KAD Church history 500-900; early Middle Ages
3,880 results
KDE Anglican Church
3,748 results
NBJ Mariology
3,704 results
NBG Pneumatology; Holy Spirit
3,703 results
KAA Church history
3,676 results
ZG Media studies; Digital media; Communication studies
3,310 results
VB Hermeneutics; Philosophy
3,269 results
NCB Personal ethics
3,183 results
NAB Fundamental theology
3,049 results
KBC Switzerland
2,991 results
NCH Medical ethics
2,968 results
KBE Northern Europe; Scandinavia
2,933 results
CA Christianity
2,926 results
NBB Doctrine of Revelation
2,918 results
TJ Modern history
2,616 results
BE Greco-Roman religions
2,611 results
BL Buddhism
2,598 results
SD Church law; Protestant Church
2,368 results
BF Gnosticism
2,322 results
NBM Doctrine of Justification
2,275 results
TE Middle Ages
2,215 results
KBA Western Europe
2,210 results
BK Hinduism, Jainism, Sikhism
2,168 results
NBA Dogmatics
1,735 results
KBS Australia; Oceania
1,678 results
ZA Social sciences
1,504 results
NBH Angelology; demonology
1,391 results
AH Religious education
1,384 results
BB Indigenous religions
1,239 results
NCJ Ethics of science
1,151 results
KDH Christian sects
1,073 results
TA History
944 results
SE Church law; Orthodox Church
824 results
AF Geography of religion
742 results
BM Chinese universism; Confucianism; Taoism
712 results
NBL Doctrine of Predestination
690 results
KDA Church denominations
581 results
TG High Middle Ages
514 results
TD Late Antiquity
510 results
BG World religions
435 results
KDC Old Catholic Church
426 results
TH Late Middle Ages
292 results
SC Church law; Anglican Church
266 results
TF Early Middle Ages
257 results
BS Traditional African religions
246 results
BD Ancient European religions
221 results
KBP America
200 results
BN Shinto
175 results
BR Ancient religions of the Americas
172 results
BT Religions of Oceania
25 results