IxTheo Classification
[Unassigned]
1,144,654 results
HC New Testament
25,758 results
HB Old Testament
23,822 results
HA Bible
17,851 results
RJ Mission; missiology
4,916 results
SB Catholic Church law
4,088 results
KAA Church history
3,559 results
KDB Roman Catholic Church
3,442 results
RA Practical theology
2,916 results
FA Theology
2,852 results
HD Early Judaism
2,317 results
KDE Anglican Church
2,136 results
AA Study of religion
1,832 results
KAB Church history 30-500; early Christianity
1,745 results
SA Church law; state-church law
1,660 results
TC Pre-Christian history ; Ancient Near East
1,654 results
KBB German language area
1,601 results
RC Liturgy
1,593 results
NBA Dogmatics
1,563 results
KDD Protestant Church
1,559 results
AD Sociology of religion; religious policy
1,551 results
BJ Islam
1,481 results
BH Judaism
1,463 results
NAA Systematic theology
1,452 results
HH Archaeology
1,441 results
KCA Monasticism; religious orders
1,348 results
VA Philosophy
1,278 results
AG Religious life; material religion
1,262 results
CB Christian life; spirituality
1,259 results
AB Philosophy of religion; criticism of religion; atheism
1,241 results
BC Ancient Orient; religion
1,231 results
KAJ Church history 1914-; recent history
1,114 results
RE Homiletics
973 results
RF Christian education; catechetics
966 results
CA Christianity
951 results
NBN Ecclesiology
915 results
RB Church office; congregation
871 results
NBE Anthropology
869 results
AX Inter-religious relations
864 results
NCA Ethics
858 results
KBM Asia
842 results
TA History
828 results
CC Christianity and Non-Christian religion; Inter-religious relations
827 results
RG Pastoral care
817 results
NBF Christology
810 results
KAH Church history 1648-1913; modern history
786 results
CH Christianity and Society
758 results
NBC Doctrine of God
728 results
RD Hymnology
727 results
BL Buddhism
725 results
TB Antiquity
718 results
KBQ North America
704 results
NBP Sacramentology; sacraments
695 results
XA Law
692 results
KAC Church history 500-1500; Middle Ages
667 results
AZ New religious movements
659 results
KDA Church denominations
606 results
KDJ Ecumenism
570 results
KDG Free church
562 results
KAG Church history 1500-1648; Reformation; humanism; Renaissance
521 results
KBA Western Europe
520 results
BK Hinduism, Jainism, Sikhism
515 results
BE Greco-Roman religions
511 results
CG Christianity and Politics
503 results
CD Christianity and Culture
494 results
NCC Social ethics
460 results
NBK Soteriology
413 results
SD Church law; Protestant Church
381 results
KBN Sub-Saharan Africa
379 results
BF Gnosticism
363 results
FD Contextual theology
360 results
KBJ Italy
358 results
KCB Papacy
356 results
KDF Orthodox Church
354 results
KAE Church history 900-1300; high Middle Ages
343 results
CF Christianity and Science
321 results
KBL Near East and North Africa
312 results
ZC Politics in general
305 results
AE Psychology of religion
295 results
NCD Political ethics
291 results
NCG Environmental ethics; Creation ethics
282 results
KCC Councils
280 results
KDH Christian sects
275 results
AF Geography of religion
274 results
NBQ Eschatology
268 results
KBK Europe (East)
263 results
KBG France
243 results
BG World religions
242 results
TK Recent history
242 results
KAD Church history 500-900; early Middle Ages
241 results
TE Middle Ages
230 results
ZB Sociology
228 results
RH Evangelization; Christian media
216 results
AH Religious education
212 results
KBF British Isles
211 results
NCF Sexual ethics
204 results
NBD Doctrine of Creation
200 results
KCD Hagiography; saints
193 results
KBR Latin America
192 results
ZF Education
191 results
NBB Doctrine of Revelation
184 results
KAF Church history 1300-1500; late Middle Ages
177 results
TJ Modern history
175 results
ZD Psychology
175 results
RK Charity work
173 results
KBH Iberian Peninsula
165 results
NBJ Mariology
163 results
NBG Pneumatology; Holy Spirit
151 results
VB Hermeneutics; Philosophy
147 results
KBP America
144 results
NCE Business ethics
144 results
BM Chinese universism; Confucianism; Taoism
135 results
BB Indigenous religions
133 results
FB Theological education
124 results
KBC Switzerland
120 results
CE Christian art
118 results
NBM Doctrine of Justification
110 results
NCH Medical ethics
105 results
KBE Northern Europe; Scandinavia
103 results
NAB Fundamental theology
102 results
ZA Social sciences
94 results
KBD Benelux countries
93 results
ZG Media studies; Digital media; Communication studies
85 results
NCB Personal ethics
69 results
BD Ancient European religions
63 results
KBS Australia; Oceania
50 results
NCJ Ethics of science
47 results
SE Church law; Orthodox Church
40 results
NBL Doctrine of Predestination
38 results
BN Shinto
28 results
BS Traditional African religions
28 results
NBH Angelology; demonology
26 results
TD Late Antiquity
26 results
KDC Old Catholic Church
16 results
SC Church law; Anglican Church
16 results
BR Ancient religions of the Americas
14 results
TG High Middle Ages
12 results
TF Early Middle Ages
9 results
TH Late Middle Ages
9 results
BT Religions of Oceania
2 results