IxTheo Classification
[Unassigned]
2,941,141 results
HC New Testament
101,858 results
HB Old Testament
97,969 results
KDB Roman Catholic Church
75,313 results
SB Catholic Church law
74,032 results
KAJ Church history 1914-; recent history
49,675 results
HA Bible
38,881 results
KBB German language area
38,020 results
KDD Protestant Church
37,091 results
CB Christian life; spirituality
33,107 results
KAH Church history 1648-1913; modern history
27,183 results
RB Church office; congregation
26,490 results
KAB Church history 30-500; early Christianity
25,422 results
SA Church law; state-church law
23,338 results
CD Christianity and Culture
23,186 results
HH Archaeology
21,978 results
RC Liturgy
21,342 results
KCA Monasticism; religious orders
21,170 results
NBE Anthropology
21,166 results
VA Philosophy
21,031 results
RF Christian education; catechetics
18,742 results
KAG Church history 1500-1648; Reformation; humanism; Renaissance
17,774 results
HD Early Judaism
16,855 results
NBC Doctrine of God
16,689 results
RJ Mission; missiology
16,539 results
BH Judaism
16,456 results
AD Sociology of religion; religious policy
16,284 results
CG Christianity and Politics
15,721 results
NCC Social ethics
14,874 results
KDJ Ecumenism
14,853 results
CC Christianity and Non-Christian religion; Inter-religious relations
14,668 results
CH Christianity and Society
14,281 results
KBQ North America
14,119 results
NCA Ethics
12,687 results
TC Pre-Christian history ; Ancient Near East
12,269 results
KAE Church history 900-1300; high Middle Ages
12,170 results
NBF Christology
12,167 results
RG Pastoral care
11,965 results
NBP Sacramentology; sacraments
11,752 results
BJ Islam
11,240 results
KDG Free church
10,974 results
KBJ Italy
10,431 results
FD Contextual theology
10,100 results
RE Homiletics
9,804 results
NCF Sexual ethics
9,753 results
NBN Ecclesiology
9,447 results
KBK Europe (East)
8,960 results
XA Law
8,848 results
KBM Asia
8,707 results
NCG Environmental ethics; Creation ethics
8,684 results
KBL Near East and North Africa
8,378 results
BC Ancient Orient; religion
8,210 results
AB Philosophy of religion; criticism of religion; atheism
8,140 results
NCD Political ethics
8,123 results
KDF Orthodox Church
7,821 results
CF Christianity and Science
7,760 results
ZB Sociology
7,639 results
KCD Hagiography; saints
7,634 results
AA Study of religion
7,550 results
TK Recent history
7,494 results
KAA Church history
7,447 results
KBN Sub-Saharan Africa
7,306 results
NBK Soteriology
7,143 results
NAA Systematic theology
7,111 results
FA Theology
7,091 results
ZD Psychology
6,868 results
CE Christian art
6,685 results
NCE Business ethics
6,667 results
RA Practical theology
6,622 results
KBG France
6,559 results
AG Religious life; material religion
6,491 results
NBQ Eschatology
6,278 results
KBF British Isles
6,245 results
RH Evangelization; Christian media
5,896 results
KAF Church history 1300-1500; late Middle Ages
5,849 results
KCB Papacy
5,844 results
RK Charity work
5,840 results
KDE Anglican Church
5,827 results
KBR Latin America
5,803 results
KBH Iberian Peninsula
5,739 results
FB Theological education
5,637 results
NBD Doctrine of Creation
5,563 results
ZF Education
5,491 results
RD Hymnology
5,391 results
KCC Councils
5,251 results
TB Antiquity
4,792 results
AX Inter-religious relations
4,653 results
KAC Church history 500-1500; Middle Ages
4,560 results
AZ New religious movements
4,405 results
AE Psychology of religion
4,344 results
KBD Benelux countries
4,321 results
KAD Church history 500-900; early Middle Ages
4,280 results
ZC Politics in general
4,136 results
NBJ Mariology
3,839 results
NBG Pneumatology; Holy Spirit
3,702 results
CA Christianity
3,486 results
VB Hermeneutics; Philosophy
3,335 results
BL Buddhism
3,151 results
NBA Dogmatics
3,130 results
NAB Fundamental theology
3,125 results
KBC Switzerland
3,061 results
NBB Doctrine of Revelation
3,038 results
SD Church law; Protestant Church
2,940 results
BE Greco-Roman religions
2,853 results
ZG Media studies; Digital media; Communication studies
2,801 results
NCB Personal ethics
2,780 results
KBE Northern Europe; Scandinavia
2,695 results
BF Gnosticism
2,670 results
TJ Modern history
2,560 results
KBA Western Europe
2,556 results
BK Hinduism, Jainism, Sikhism
2,537 results
TE Middle Ages
2,479 results
NCH Medical ethics
2,351 results
NBM Doctrine of Justification
2,325 results
TA History
1,766 results
KBS Australia; Oceania
1,653 results
NBH Angelology; demonology
1,352 results
BB Indigenous religions
1,291 results
AH Religious education
1,229 results
ZA Social sciences
1,229 results
KDA Church denominations
1,134 results
KDH Christian sects
942 results
SE Church law; Orthodox Church
922 results
NCJ Ethics of science
890 results
AF Geography of religion
851 results
BM Chinese universism; Confucianism; Taoism
844 results
NBL Doctrine of Predestination
709 results
BG World religions
654 results
TD Late Antiquity
543 results
TG High Middle Ages
525 results
KDC Old Catholic Church
452 results
KBP America
336 results
SC Church law; Anglican Church
320 results
TH Late Middle Ages
303 results
TF Early Middle Ages
273 results
BD Ancient European religions
258 results
BS Traditional African religions
211 results
BN Shinto
187 results
BR Ancient religions of the Americas
179 results
BT Religions of Oceania
19 results