IxTheo Classification
[Unassigned]
3,254,670 results
HC New Testament
106,577 results
HB Old Testament
104,344 results
KDB Roman Catholic Church
79,631 results
SB Catholic Church law
74,786 results
KAJ Church history 1914-; recent history
53,260 results
HA Bible
41,206 results
KDD Protestant Church
39,360 results
KBB German language area
39,207 results
CB Christian life; spirituality
36,055 results
KAH Church history 1648-1913; modern history
29,187 results
RB Church office; congregation
28,738 results
KAB Church history 30-500; early Christianity
26,801 results
CD Christianity and Culture
25,049 results
NBE Anthropology
24,025 results
SA Church law; state-church law
23,814 results
VA Philosophy
23,076 results
HH Archaeology
22,715 results
RC Liturgy
22,349 results
KCA Monasticism; religious orders
21,824 results
RF Christian education; catechetics
20,152 results
AD Sociology of religion; religious policy
20,063 results
KAG Church history 1500-1648; Reformation; humanism; Renaissance
18,688 results
NBC Doctrine of God
18,246 results
HD Early Judaism
17,738 results
BH Judaism
17,727 results
CG Christianity and Politics
17,384 results
RJ Mission; missiology
17,370 results
CH Christianity and Society
16,568 results
NCC Social ethics
16,307 results
CC Christianity and Non-Christian religion; Inter-religious relations
15,735 results
KBQ North America
15,559 results
KDJ Ecumenism
15,512 results
NCA Ethics
13,941 results
NBF Christology
13,111 results
RG Pastoral care
12,940 results
TC Pre-Christian history ; Ancient Near East
12,576 results
BJ Islam
12,563 results
KAE Church history 900-1300; high Middle Ages
12,507 results
NBP Sacramentology; sacraments
12,302 results
KDG Free church
12,276 results
FD Contextual theology
11,458 results
KBJ Italy
10,635 results
NCF Sexual ethics
10,567 results
AB Philosophy of religion; criticism of religion; atheism
10,302 results
RE Homiletics
10,211 results
NBN Ecclesiology
10,157 results
KBM Asia
10,018 results
KBK Europe (East)
9,870 results
XA Law
9,416 results
NCG Environmental ethics; Creation ethics
9,293 results
AG Religious life; material religion
9,270 results
KBL Near East and North Africa
9,057 results
AA Study of religion
8,948 results
KBN Sub-Saharan Africa
8,924 results
NCD Political ethics
8,880 results
ZB Sociology
8,862 results
CF Christianity and Science
8,625 results
BC Ancient Orient; religion
8,552 results
TK Recent history
8,387 results
KDF Orthodox Church
8,276 results
FA Theology
8,199 results
KCD Hagiography; saints
7,911 results
KAA Church history
7,851 results
ZD Psychology
7,785 results
NBK Soteriology
7,589 results
NAA Systematic theology
7,308 results
NCE Business ethics
7,186 results
KBR Latin America
7,092 results
KBF British Isles
7,051 results
CE Christian art
7,047 results
RA Practical theology
7,002 results
KBG France
6,990 results
NBQ Eschatology
6,753 results
RK Charity work
6,725 results
KBH Iberian Peninsula
6,446 results
RH Evangelization; Christian media
6,366 results
FB Theological education
6,221 results
KCB Papacy
6,127 results
KDE Anglican Church
6,095 results
KAF Church history 1300-1500; late Middle Ages
6,072 results
NBD Doctrine of Creation
6,044 results
ZF Education
5,976 results
RD Hymnology
5,635 results
KCC Councils
5,627 results
AX Inter-religious relations
5,496 results
AZ New religious movements
5,211 results
AE Psychology of religion
5,190 results
TB Antiquity
5,135 results
ZC Politics in general
5,087 results
KAC Church history 500-1500; Middle Ages
4,815 results
KBD Benelux countries
4,674 results
KAD Church history 500-900; early Middle Ages
4,421 results
CA Christianity
4,216 results
NBG Pneumatology; Holy Spirit
4,028 results
NBJ Mariology
3,997 results
BL Buddhism
3,732 results
ZG Media studies; Digital media; Communication studies
3,715 results
VB Hermeneutics; Philosophy
3,669 results
NBA Dogmatics
3,485 results
NAB Fundamental theology
3,378 results
NCB Personal ethics
3,377 results
BE Greco-Roman religions
3,343 results
NBB Doctrine of Revelation
3,283 results
KBC Switzerland
3,206 results
KBE Northern Europe; Scandinavia
3,174 results
NCH Medical ethics
3,135 results
TJ Modern history
3,129 results
SD Church law; Protestant Church
3,012 results
BK Hinduism, Jainism, Sikhism
2,934 results
KBA Western Europe
2,894 results
BF Gnosticism
2,774 results
TE Middle Ages
2,557 results
NBM Doctrine of Justification
2,480 results
TA History
1,916 results
KBS Australia; Oceania
1,794 results
ZA Social sciences
1,793 results
AH Religious education
1,728 results
KDH Christian sects
1,558 results
BB Indigenous religions
1,505 results
NBH Angelology; demonology
1,490 results
NCJ Ethics of science
1,232 results
KDA Church denominations
1,226 results
AF Geography of religion
1,156 results
BM Chinese universism; Confucianism; Taoism
964 results
SE Church law; Orthodox Church
943 results
NBL Doctrine of Predestination
761 results
BG World religions
718 results
TD Late Antiquity
590 results
TG High Middle Ages
568 results
KDC Old Catholic Church
445 results
KBP America
408 results
TH Late Middle Ages
345 results
SC Church law; Anglican Church
327 results
BD Ancient European religions
311 results
TF Early Middle Ages
292 results
BS Traditional African religions
290 results
BN Shinto
249 results
BR Ancient religions of the Americas
205 results
BT Religions of Oceania
28 results