IxTheo Classification
[Unassigned]
1,137,299 results
HB Old Testament
16,688 results
HC New Testament
13,828 results
KDB Roman Catholic Church
10,898 results
KAJ Church history 1914-; recent history
10,270 results
AD Sociology of religion; religious policy
9,820 results
CB Christian life; spirituality
7,869 results
NBE Anthropology
7,136 results
AG Religious life; material religion
6,451 results
KBQ North America
6,222 results
KDD Protestant Church
5,954 results
KAH Church history 1648-1913; modern history
5,888 results
VA Philosophy
5,716 results
CD Christianity and Culture
5,460 results
HA Bible
5,451 results
AB Philosophy of religion; criticism of religion; atheism
5,420 results
KAB Church history 30-500; early Christianity
5,049 results
CH Christianity and Society
4,910 results
NBC Doctrine of God
4,775 results
CG Christianity and Politics
4,597 results
RB Church office; congregation
4,361 results
BH Judaism
4,273 results
BJ Islam
3,947 results
KBM Asia
3,558 results
FD Contextual theology
3,416 results
HD Early Judaism
3,391 results
AA Study of religion
3,355 results
KDG Free church
3,309 results
NCC Social ethics
3,266 results
RF Christian education; catechetics
3,180 results
NCA Ethics
3,132 results
KBB German language area
2,971 results
KBN Sub-Saharan Africa
2,966 results
CC Christianity and Non-Christian religion; Inter-religious relations
2,903 results
KBF British Isles
2,876 results
KAG Church history 1500-1648; Reformation; humanism; Renaissance
2,861 results
KBL Near East and North Africa
2,668 results
AE Psychology of religion
2,666 results
FA Theology
2,640 results
NBF Christology
2,630 results
ZB Sociology
2,474 results
TK Recent history
2,469 results
ZC Politics in general
2,430 results
CF Christianity and Science
2,421 results
HH Archaeology
2,385 results
RC Liturgy
2,361 results
KBR Latin America
2,342 results
ZD Psychology
2,337 results
SA Church law; state-church law
2,315 results
NCF Sexual ethics
2,308 results
RJ Mission; missiology
2,154 results
NCD Political ethics
2,108 results
SB Catholic Church law
2,108 results
AX Inter-religious relations
2,078 results
AZ New religious movements
2,068 results
KCA Monasticism; religious orders
2,068 results
KBK Europe (East)
2,066 results
NCH Medical ethics
2,062 results
RG Pastoral care
1,994 results
KAE Church history 900-1300; high Middle Ages
1,876 results
NCG Environmental ethics; Creation ethics
1,741 results
FB Theological education
1,728 results
NBN Ecclesiology
1,712 results
ZG Media studies; Digital media; Communication studies
1,690 results
KDJ Ecumenism
1,666 results
XA Law
1,628 results
BL Buddhism
1,573 results
RE Homiletics
1,460 results
NCB Personal ethics
1,436 results
NBD Doctrine of Creation
1,434 results
NBP Sacramentology; sacraments
1,388 results
NBK Soteriology
1,371 results
KDF Orthodox Church
1,357 results
KDE Anglican Church
1,347 results
TJ Modern history
1,325 results
NBQ Eschatology
1,315 results
ZF Education
1,306 results
KBG France
1,279 results
CA Christianity
1,275 results
AH Religious education
1,189 results
RK Charity work
1,155 results
BK Hinduism, Jainism, Sikhism
1,121 results
KBH Iberian Peninsula
1,073 results
NCE Business ethics
1,067 results
ZA Social sciences
1,064 results
KAA Church history
1,032 results
TC Pre-Christian history ; Ancient Near East
1,018 results
KAF Church history 1300-1500; late Middle Ages
1,003 results
RH Evangelization; Christian media
995 results
KDH Christian sects
994 results
BE Greco-Roman religions
975 results
TB Antiquity
961 results
KBJ Italy
958 results
VB Hermeneutics; Philosophy
942 results
KBE Northern Europe; Scandinavia
937 results
KCD Hagiography; saints
920 results
NCJ Ethics of science
868 results
CE Christian art
854 results
KBD Benelux countries
850 results
KCC Councils
842 results
BC Ancient Orient; religion
828 results
KBA Western Europe
807 results
NBG Pneumatology; Holy Spirit
784 results
KCB Papacy
781 results
KAC Church history 500-1500; Middle Ages
771 results
KAD Church history 500-900; early Middle Ages
769 results
KBS Australia; Oceania
725 results
RA Practical theology
711 results
AF Geography of religion
676 results
NAB Fundamental theology
674 results
NBA Dogmatics
637 results
NAA Systematic theology
608 results
NBB Doctrine of Revelation
602 results
RD Hymnology
597 results
BB Indigenous religions
555 results
BM Chinese universism; Confucianism; Taoism
429 results
NBJ Mariology
394 results
NBH Angelology; demonology
385 results
TA History
382 results
NBM Doctrine of Justification
362 results
BF Gnosticism
337 results
KBC Switzerland
319 results
TE Middle Ages
224 results
KDA Church denominations
192 results
BS Traditional African religions
181 results
TD Late Antiquity
172 results
BG World religions
171 results
NBL Doctrine of Predestination
169 results
TG High Middle Ages
151 results
BN Shinto
135 results
SD Church law; Protestant Church
132 results
KBP America
127 results
BR Ancient religions of the Americas
109 results
TF Early Middle Ages
107 results
BD Ancient European religions
94 results
TH Late Middle Ages
89 results
SE Church law; Orthodox Church
45 results
SC Church law; Anglican Church
27 results
BT Religions of Oceania
19 results
KDC Old Catholic Church
17 results