IxTheo Classification
[Unassigned]
3,291,064 results
HC New Testament
106,726 results
HB Old Testament
104,508 results
KDB Roman Catholic Church
80,343 results
SB Catholic Church law
74,907 results
KAJ Church history 1914-; recent history
53,725 results
HA Bible
41,285 results
KBB German language area
39,806 results
KDD Protestant Church
39,560 results
CB Christian life; spirituality
36,262 results
KAH Church history 1648-1913; modern history
29,616 results
RB Church office; congregation
28,937 results
KAB Church history 30-500; early Christianity
26,896 results
CD Christianity and Culture
25,195 results
NBE Anthropology
24,206 results
SA Church law; state-church law
24,018 results
VA Philosophy
23,172 results
HH Archaeology
22,756 results
RC Liturgy
22,458 results
KCA Monasticism; religious orders
22,031 results
RF Christian education; catechetics
20,226 results
AD Sociology of religion; religious policy
20,103 results
KAG Church history 1500-1648; Reformation; humanism; Renaissance
18,789 results
NBC Doctrine of God
18,340 results
HD Early Judaism
17,785 results
BH Judaism
17,762 results
CG Christianity and Politics
17,549 results
RJ Mission; missiology
17,429 results
CH Christianity and Society
16,802 results
NCC Social ethics
16,389 results
CC Christianity and Non-Christian religion; Inter-religious relations
15,770 results
KBQ North America
15,636 results
KDJ Ecumenism
15,572 results
NCA Ethics
14,023 results
NBF Christology
13,171 results
RG Pastoral care
13,006 results
BJ Islam
12,610 results
KAE Church history 900-1300; high Middle Ages
12,597 results
TC Pre-Christian history ; Ancient Near East
12,592 results
KDG Free church
12,368 results
NBP Sacramentology; sacraments
12,352 results
FD Contextual theology
11,495 results
KBJ Italy
10,680 results
NCF Sexual ethics
10,613 results
AB Philosophy of religion; criticism of religion; atheism
10,321 results
RE Homiletics
10,253 results
NBN Ecclesiology
10,209 results
KBM Asia
10,073 results
KBK Europe (East)
9,929 results
XA Law
9,459 results
NCG Environmental ethics; Creation ethics
9,327 results
AG Religious life; material religion
9,319 results
KBL Near East and North Africa
9,128 results
KBN Sub-Saharan Africa
8,966 results
AA Study of religion
8,960 results
NCD Political ethics
8,942 results
ZB Sociology
8,889 results
CF Christianity and Science
8,702 results
BC Ancient Orient; religion
8,575 results
TK Recent history
8,452 results
KDF Orthodox Church
8,302 results
FA Theology
8,290 results
KCD Hagiography; saints
7,978 results
KAA Church history
7,898 results
ZD Psychology
7,846 results
NBK Soteriology
7,613 results
NAA Systematic theology
7,324 results
NCE Business ethics
7,197 results
CE Christian art
7,132 results
KBR Latin America
7,122 results
KBF British Isles
7,074 results
KBG France
7,017 results
RA Practical theology
7,011 results
NBQ Eschatology
6,777 results
RK Charity work
6,749 results
KBH Iberian Peninsula
6,465 results
RH Evangelization; Christian media
6,378 results
FB Theological education
6,283 results
KCB Papacy
6,188 results
KAF Church history 1300-1500; late Middle Ages
6,123 results
KDE Anglican Church
6,105 results
NBD Doctrine of Creation
6,078 results
ZF Education
6,017 results
KCC Councils
5,675 results
RD Hymnology
5,656 results
AX Inter-religious relations
5,524 results
AZ New religious movements
5,218 results
AE Psychology of religion
5,212 results
TB Antiquity
5,158 results
ZC Politics in general
5,123 results
KAC Church history 500-1500; Middle Ages
4,854 results
KBD Benelux countries
4,705 results
KAD Church history 500-900; early Middle Ages
4,454 results
CA Christianity
4,243 results
NBG Pneumatology; Holy Spirit
4,045 results
NBJ Mariology
4,013 results
ZG Media studies; Digital media; Communication studies
3,757 results
BL Buddhism
3,735 results
VB Hermeneutics; Philosophy
3,695 results
NBA Dogmatics
3,498 results
NAB Fundamental theology
3,404 results
NCB Personal ethics
3,389 results
BE Greco-Roman religions
3,348 results
NBB Doctrine of Revelation
3,308 results
KBC Switzerland
3,243 results
KBE Northern Europe; Scandinavia
3,195 results
NCH Medical ethics
3,164 results
TJ Modern history
3,152 results
SD Church law; Protestant Church
3,019 results
BK Hinduism, Jainism, Sikhism
2,938 results
KBA Western Europe
2,915 results
BF Gnosticism
2,774 results
TE Middle Ages
2,554 results
NBM Doctrine of Justification
2,486 results
TA History
1,925 results
ZA Social sciences
1,813 results
KBS Australia; Oceania
1,799 results
AH Religious education
1,734 results
KDH Christian sects
1,574 results
BB Indigenous religions
1,506 results
NBH Angelology; demonology
1,495 results
NCJ Ethics of science
1,252 results
KDA Church denominations
1,232 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
765 results
BG World religions
722 results
TD Late Antiquity
601 results
TG High Middle Ages
570 results
KDC Old Catholic Church
460 results
KBP America
413 results
TH Late Middle Ages
346 results
SC Church law; Anglican Church
327 results
BD Ancient European religions
313 results
BS Traditional African religions
297 results
TF Early Middle Ages
296 results
BN Shinto
249 results
BR Ancient religions of the Americas
205 results
BT Religions of Oceania
28 results