IxTheo Classification
[Unassigned]
1,230,522 results
HB Old Testament
77,627 results
HC New Testament
77,622 results
KDB Roman Catholic Church
74,187 results
SB Catholic Church law
63,541 results
KAJ Church history 1914-; recent history
50,529 results
KBB German language area
37,117 results
KDD Protestant Church
36,449 results
CB Christian life; spirituality
33,354 results
RB Church office; congregation
27,510 results
KAH Church history 1648-1913; modern history
27,351 results
KAB Church history 30-500; early Christianity
23,579 results
CD Christianity and Culture
22,630 results
NBE Anthropology
22,281 results
HA Bible
21,173 results
HH Archaeology
20,696 results
SA Church law; state-church law
20,406 results
RC Liturgy
20,307 results
VA Philosophy
20,050 results
KCA Monasticism; religious orders
19,992 results
RF Christian education; catechetics
18,853 results
KAG Church history 1500-1648; Reformation; humanism; Renaissance
17,025 results
AD Sociology of religion; religious policy
16,776 results
NBC Doctrine of God
16,483 results
CG Christianity and Politics
16,241 results
CH Christianity and Society
15,466 results
NCC Social ethics
15,331 results
BH Judaism
14,767 results
KDJ Ecumenism
14,754 results
HD Early Judaism
14,295 results
CC Christianity and Non-Christian religion; Inter-religious relations
14,159 results
KBQ North America
13,584 results
NCA Ethics
12,462 results
RG Pastoral care
11,995 results
RJ Mission; missiology
11,916 results
NBF Christology
11,566 results
KAE Church history 900-1300; high Middle Ages
11,499 results
NBP Sacramentology; sacraments
11,371 results
KDG Free church
11,188 results
TC Pre-Christian history ; Ancient Near East
10,681 results
FD Contextual theology
10,560 results
BJ Islam
10,353 results
NCF Sexual ethics
10,043 results
KBJ Italy
9,908 results
KBK Europe (East)
9,372 results
RE Homiletics
9,088 results
NBN Ecclesiology
8,973 results
NCG Environmental ethics; Creation ethics
8,737 results
KBM Asia
8,539 results
XA Law
8,399 results
KBL Near East and North Africa
8,281 results
KBN Sub-Saharan Africa
8,266 results
NCD Political ethics
8,170 results
ZB Sociology
8,042 results
AB Philosophy of religion; criticism of religion; atheism
8,003 results
CF Christianity and Science
7,869 results
KDF Orthodox Church
7,719 results
TK Recent history
7,657 results
KCD Hagiography; saints
7,486 results
ZD Psychology
7,375 results
BC Ancient Orient; religion
7,153 results
AG Religious life; material religion
6,950 results
NBK Soteriology
6,854 results
NCE Business ethics
6,818 results
KBR Latin America
6,698 results
CE Christian art
6,679 results
RK Charity work
6,473 results
KBG France
6,443 results
KBF British Isles
6,352 results
AA Study of religion
6,236 results
NBQ Eschatology
6,219 results
RH Evangelization; Christian media
6,011 results
FB Theological education
6,004 results
KBH Iberian Peninsula
5,988 results
ZF Education
5,685 results
KCB Papacy
5,613 results
NBD Doctrine of Creation
5,553 results
KAF Church history 1300-1500; late Middle Ages
5,547 results
NAA Systematic theology
5,352 results
KCC Councils
5,143 results
FA Theology
4,953 results
RD Hymnology
4,697 results
AE Psychology of religion
4,539 results
KBD Benelux countries
4,421 results
ZC Politics in general
4,312 results
AX Inter-religious relations
4,310 results
TB Antiquity
4,212 results
KAA Church history
4,115 results
AZ New religious movements
4,074 results
RA Practical theology
3,975 results
KAC Church history 500-1500; Middle Ages
3,913 results
KAD Church history 500-900; early Middle Ages
3,911 results
KDE Anglican Church
3,777 results
NBJ Mariology
3,723 results
NBG Pneumatology; Holy Spirit
3,719 results
ZG Media studies; Digital media; Communication studies
3,378 results
VB Hermeneutics; Philosophy
3,294 results
NCB Personal ethics
3,207 results
NAB Fundamental theology
3,082 results
CA Christianity
3,027 results
KBC Switzerland
3,022 results
NCH Medical ethics
2,996 results
KBE Northern Europe; Scandinavia
2,951 results
NBB Doctrine of Revelation
2,931 results
TJ Modern history
2,636 results
BE Greco-Roman religions
2,617 results
BL Buddhism
2,616 results
SD Church law; Protestant Church
2,373 results
BF Gnosticism
2,334 results
NBM Doctrine of Justification
2,278 results
KBA Western Europe
2,238 results
TE Middle Ages
2,218 results
BK Hinduism, Jainism, Sikhism
2,194 results
NBA Dogmatics
1,761 results
KBS Australia; Oceania
1,686 results
ZA Social sciences
1,531 results
AH Religious education
1,399 results
NBH Angelology; demonology
1,398 results
BB Indigenous religions
1,242 results
NCJ Ethics of science
1,164 results
KDH Christian sects
1,082 results
TA History
957 results
SE Church law; Orthodox Church
824 results
AF Geography of religion
748 results
BM Chinese universism; Confucianism; Taoism
721 results
NBL Doctrine of Predestination
693 results
KDA Church denominations
589 results
TD Late Antiquity
519 results
TG High Middle Ages
515 results
BG World religions
449 results
KDC Old Catholic Church
439 results
TH Late Middle Ages
292 results
SC Church law; Anglican Church
267 results
TF Early Middle Ages
259 results
BS Traditional African religions
248 results
BD Ancient European religions
221 results
KBP America
203 results
BN Shinto
175 results
BR Ancient religions of the Americas
173 results
BT Religions of Oceania
25 results