IxTheo Classification
[Unassigned]
2,937,597 results
HC New Testament
101,832 results
HB Old Testament
97,952 results
KDB Roman Catholic Church
75,289 results
SB Catholic Church law
74,008 results
KAJ Church history 1914-; recent history
49,646 results
HA Bible
38,880 results
KBB German language area
37,993 results
KDD Protestant Church
37,074 results
CB Christian life; spirituality
33,094 results
KAH Church history 1648-1913; modern history
27,160 results
RB Church office; congregation
26,480 results
KAB Church history 30-500; early Christianity
25,431 results
SA Church law; state-church law
23,271 results
CD Christianity and Culture
23,177 results
HH Archaeology
21,983 results
RC Liturgy
21,335 results
KCA Monasticism; religious orders
21,165 results
NBE Anthropology
21,162 results
VA Philosophy
21,025 results
RF Christian education; catechetics
18,740 results
KAG Church history 1500-1648; Reformation; humanism; Renaissance
17,772 results
HD Early Judaism
16,854 results
NBC Doctrine of God
16,683 results
RJ Mission; missiology
16,522 results
BH Judaism
16,460 results
AD Sociology of religion; religious policy
16,305 results
CG Christianity and Politics
15,708 results
NCC Social ethics
14,872 results
KDJ Ecumenism
14,850 results
CC Christianity and Non-Christian religion; Inter-religious relations
14,667 results
CH Christianity and Society
14,282 results
KBQ North America
14,117 results
NCA Ethics
12,686 results
TC Pre-Christian history ; Ancient Near East
12,269 results
KAE Church history 900-1300; high Middle Ages
12,160 results
NBF Christology
12,159 results
RG Pastoral care
11,964 results
NBP Sacramentology; sacraments
11,751 results
BJ Islam
11,238 results
KDG Free church
10,964 results
KBJ Italy
10,438 results
FD Contextual theology
10,094 results
RE Homiletics
9,798 results
NCF Sexual ethics
9,751 results
NBN Ecclesiology
9,442 results
KBK Europe (East)
8,963 results
XA Law
8,848 results
KBM Asia
8,702 results
NCG Environmental ethics; Creation ethics
8,687 results
KBL Near East and North Africa
8,400 results
BC Ancient Orient; religion
8,215 results
AB Philosophy of religion; criticism of religion; atheism
8,139 results
NCD Political ethics
8,117 results
KDF Orthodox Church
7,820 results
CF Christianity and Science
7,758 results
ZB Sociology
7,644 results
KCD Hagiography; saints
7,630 results
AA Study of religion
7,554 results
TK Recent history
7,495 results
KAA Church history
7,445 results
KBN Sub-Saharan Africa
7,299 results
NBK Soteriology
7,144 results
NAA Systematic theology
7,111 results
FA Theology
7,089 results
ZD Psychology
6,859 results
CE Christian art
6,685 results
NCE Business ethics
6,665 results
RA Practical theology
6,624 results
AG Religious life; material religion
6,582 results
KBG France
6,558 results
NBQ Eschatology
6,273 results
KBF British Isles
6,247 results
RH Evangelization; Christian media
5,895 results
KAF Church history 1300-1500; late Middle Ages
5,849 results
KCB Papacy
5,843 results
RK Charity work
5,839 results
KDE Anglican Church
5,827 results
KBR Latin America
5,800 results
KBH Iberian Peninsula
5,739 results
FB Theological education
5,632 results
NBD Doctrine of Creation
5,562 results
ZF Education
5,491 results
RD Hymnology
5,388 results
KCC Councils
5,248 results
TB Antiquity
4,835 results
AX Inter-religious relations
4,655 results
KAC Church history 500-1500; Middle Ages
4,560 results
AZ New religious movements
4,402 results
AE Psychology of religion
4,340 results
KBD Benelux countries
4,318 results
KAD Church history 500-900; early Middle Ages
4,279 results
ZC Politics in general
4,136 results
NBJ Mariology
3,838 results
NBG Pneumatology; Holy Spirit
3,703 results
CA Christianity
3,489 results
VB Hermeneutics; Philosophy
3,335 results
BL Buddhism
3,149 results
NBA Dogmatics
3,128 results
NAB Fundamental theology
3,123 results
KBC Switzerland
3,059 results
NBB Doctrine of Revelation
3,039 results
SD Church law; Protestant Church
2,940 results
BE Greco-Roman religions
2,936 results
ZG Media studies; Digital media; Communication studies
2,799 results
NCB Personal ethics
2,779 results
KBE Northern Europe; Scandinavia
2,694 results
BF Gnosticism
2,662 results
TJ Modern history
2,559 results
KBA Western Europe
2,555 results
BK Hinduism, Jainism, Sikhism
2,538 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
1,351 results
BB Indigenous religions
1,291 results
AH Religious education
1,228 results
ZA Social sciences
1,227 results
KDA Church denominations
1,134 results
KDH Christian sects
941 results
SE Church law; Orthodox Church
922 results
NCJ Ethics of science
890 results
AF Geography of religion
855 results
BM Chinese universism; Confucianism; Taoism
844 results
NBL Doctrine of Predestination
709 results
BG World religions
654 results
TD Late Antiquity
551 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
210 results
BN Shinto
187 results
BR Ancient religions of the Americas
179 results
BT Religions of Oceania
19 results