IxTheo Classification
[Unassigned]
3,281,075 results
HC New Testament
106,719 results
HB Old Testament
104,476 results
KDB Roman Catholic Church
80,197 results
SB Catholic Church law
74,882 results
KAJ Church history 1914-; recent history
53,621 results
HA Bible
41,274 results
KBB German language area
39,741 results
KDD Protestant Church
39,535 results
CB Christian life; spirituality
36,206 results
KAH Church history 1648-1913; modern history
29,559 results
RB Church office; congregation
28,887 results
KAB Church history 30-500; early Christianity
26,906 results
CD Christianity and Culture
25,153 results
NBE Anthropology
24,143 results
SA Church law; state-church law
23,988 results
VA Philosophy
23,147 results
HH Archaeology
22,749 results
RC Liturgy
22,415 results
KCA Monasticism; religious orders
22,013 results
RF Christian education; catechetics
20,218 results
AD Sociology of religion; religious policy
20,094 results
KAG Church history 1500-1648; Reformation; humanism; Renaissance
18,772 results
NBC Doctrine of God
18,309 results
HD Early Judaism
17,772 results
BH Judaism
17,756 results
CG Christianity and Politics
17,528 results
RJ Mission; missiology
17,419 results
CH Christianity and Society
16,782 results
NCC Social ethics
16,354 results
CC Christianity and Non-Christian religion; Inter-religious relations
15,763 results
KBQ North America
15,590 results
KDJ Ecumenism
15,554 results
NCA Ethics
13,994 results
NBF Christology
13,151 results
RG Pastoral care
12,992 results
BJ Islam
12,596 results
KAE Church history 900-1300; high Middle Ages
12,578 results
TC Pre-Christian history ; Ancient Near East
12,574 results
NBP Sacramentology; sacraments
12,343 results
KDG Free church
12,338 results
FD Contextual theology
11,497 results
KBJ Italy
10,658 results
NCF Sexual ethics
10,599 results
AB Philosophy of religion; criticism of religion; atheism
10,321 results
RE Homiletics
10,240 results
NBN Ecclesiology
10,196 results
KBM Asia
10,059 results
KBK Europe (East)
9,922 results
XA Law
9,459 results
NCG Environmental ethics; Creation ethics
9,315 results
AG Religious life; material religion
9,309 results
KBL Near East and North Africa
9,101 results
AA Study of religion
8,953 results
KBN Sub-Saharan Africa
8,950 results
NCD Political ethics
8,924 results
ZB Sociology
8,873 results
CF Christianity and Science
8,658 results
BC Ancient Orient; religion
8,558 results
TK Recent history
8,434 results
KDF Orthodox Church
8,301 results
FA Theology
8,259 results
KCD Hagiography; saints
7,959 results
KAA Church history
7,893 results
ZD Psychology
7,841 results
NBK Soteriology
7,605 results
NAA Systematic theology
7,321 results
NCE Business ethics
7,194 results
KBR Latin America
7,117 results
CE Christian art
7,092 results
KBF British Isles
7,067 results
KBG France
7,015 results
RA Practical theology
7,008 results
NBQ Eschatology
6,777 results
RK Charity work
6,735 results
KBH Iberian Peninsula
6,462 results
RH Evangelization; Christian media
6,374 results
FB Theological education
6,277 results
KCB Papacy
6,165 results
KAF Church history 1300-1500; late Middle Ages
6,117 results
KDE Anglican Church
6,104 results
NBD Doctrine of Creation
6,068 results
ZF Education
6,008 results
KCC Councils
5,672 results
RD Hymnology
5,654 results
AX Inter-religious relations
5,513 results
AZ New religious movements
5,219 results
AE Psychology of religion
5,209 results
TB Antiquity
5,153 results
ZC Politics in general
5,111 results
KAC Church history 500-1500; Middle Ages
4,840 results
KBD Benelux countries
4,700 results
KAD Church history 500-900; early Middle Ages
4,450 results
CA Christianity
4,239 results
NBG Pneumatology; Holy Spirit
4,037 results
NBJ Mariology
4,012 results
ZG Media studies; Digital media; Communication studies
3,748 results
BL Buddhism
3,737 results
VB Hermeneutics; Philosophy
3,691 results
NBA Dogmatics
3,498 results
NAB Fundamental theology
3,402 results
NCB Personal ethics
3,387 results
BE Greco-Roman religions
3,347 results
NBB Doctrine of Revelation
3,292 results
KBC Switzerland
3,233 results
KBE Northern Europe; Scandinavia
3,183 results
NCH Medical ethics
3,154 results
TJ Modern history
3,149 results
SD Church law; Protestant Church
3,016 results
BK Hinduism, Jainism, Sikhism
2,935 results
KBA Western Europe
2,908 results
BF Gnosticism
2,784 results
TE Middle Ages
2,555 results
NBM Doctrine of Justification
2,483 results
TA History
1,921 results
ZA Social sciences
1,807 results
KBS Australia; Oceania
1,796 results
AH Religious education
1,733 results
KDH Christian sects
1,560 results
BB Indigenous religions
1,505 results
NBH Angelology; demonology
1,496 results
NCJ Ethics of science
1,245 results
KDA Church denominations
1,229 results
AF Geography of religion
1,160 results
BM Chinese universism; Confucianism; Taoism
964 results
SE Church law; Orthodox Church
943 results
NBL Doctrine of Predestination
763 results
BG World religions
728 results
TD Late Antiquity
602 results
TG High Middle Ages
569 results
KDC Old Catholic Church
460 results
KBP America
409 results
TH Late Middle Ages
346 results
SC Church law; Anglican Church
327 results
BD Ancient European religions
312 results
TF Early Middle Ages
296 results
BS Traditional African religions
294 results
BN Shinto
249 results
BR Ancient religions of the Americas
205 results
BT Religions of Oceania
28 results