IxTheo Classification
[Unassigned]
1,137,167 results
HC New Testament
25,836 results
HB Old Testament
23,923 results
HA Bible
16,992 results
RJ Mission; missiology
4,911 results
SB Catholic Church law
4,152 results
KDB Roman Catholic Church
3,421 results
FA Theology
2,849 results
KAA Church history
2,349 results
HD Early Judaism
2,316 results
KDE Anglican Church
2,140 results
AA Study of religion
1,830 results
KAB Church history 30-500; early Christianity
1,736 results
SA Church law; state-church law
1,668 results
TC Pre-Christian history ; Ancient Near East
1,652 results
KBB German language area
1,596 results
RC Liturgy
1,591 results
NBA Dogmatics
1,563 results
KDD Protestant Church
1,549 results
RA Practical theology
1,537 results
AD Sociology of religion; religious policy
1,532 results
BJ Islam
1,475 results
BH Judaism
1,459 results
HH Archaeology
1,440 results
KCA Monasticism; religious orders
1,342 results
VA Philosophy
1,274 results
AG Religious life; material religion
1,251 results
CB Christian life; spirituality
1,251 results
AB Philosophy of religion; criticism of religion; atheism
1,234 results
BC Ancient Orient; religion
1,232 results
KAJ Church history 1914-; recent history
1,101 results
RE Homiletics
972 results
RF Christian education; catechetics
962 results
CA Christianity
947 results
NBN Ecclesiology
912 results
NAA Systematic theology
870 results
RB Church office; congregation
868 results
NBE Anthropology
863 results
AX Inter-religious relations
855 results
NCA Ethics
854 results
KBM Asia
834 results
CC Christianity and Non-Christian religion; Inter-religious relations
825 results
TA History
825 results
RG Pastoral care
814 results
NBF Christology
806 results
KAH Church history 1648-1913; modern history
775 results
CH Christianity and Society
755 results
RD Hymnology
727 results
NBC Doctrine of God
726 results
TB Antiquity
721 results
BL Buddhism
720 results
KBQ North America
696 results
NBP Sacramentology; sacraments
692 results
XA Law
688 results
KAC Church history 500-1500; Middle Ages
664 results
AZ New religious movements
658 results
KDA Church denominations
606 results
KDJ Ecumenism
570 results
KDG Free church
559 results
KAG Church history 1500-1648; Reformation; humanism; Renaissance
518 results
KBA Western Europe
518 results
BK Hinduism, Jainism, Sikhism
512 results
BE Greco-Roman religions
509 results
CG Christianity and Politics
502 results
CD Christianity and Culture
490 results
NCC Social ethics
459 results
NBK Soteriology
413 results
SD Church law; Protestant Church
381 results
KBN Sub-Saharan Africa
376 results
BF Gnosticism
363 results
KCB Papacy
356 results
FD Contextual theology
355 results
KBJ Italy
350 results
KDF Orthodox Church
350 results
KAE Church history 900-1300; high Middle Ages
342 results
CF Christianity and Science
320 results
KBL Near East and North Africa
308 results
ZC Politics in general
305 results
AE Psychology of religion
293 results
NCD Political ethics
289 results
NCG Environmental ethics; Creation ethics
279 results
KCC Councils
275 results
KDH Christian sects
274 results
AF Geography of religion
273 results
NBQ Eschatology
268 results
KBK Europe (East)
260 results
KBG France
243 results
BG World religions
242 results
KAD Church history 500-900; early Middle Ages
238 results
TK Recent history
237 results
ZB Sociology
230 results
TE Middle Ages
227 results
RH Evangelization; Christian media
215 results
KBF British Isles
210 results
AH Religious education
209 results
NCF Sexual ethics
202 results
NBD Doctrine of Creation
195 results
KCD Hagiography; saints
190 results
KBR Latin America
189 results
ZF Education
188 results
NBB Doctrine of Revelation
183 results
ZD Psychology
178 results
KAF Church history 1300-1500; late Middle Ages
175 results
TJ Modern history
173 results
RK Charity work
171 results
KBH Iberian Peninsula
163 results
NBJ Mariology
163 results
NBG Pneumatology; Holy Spirit
150 results
VB Hermeneutics; Philosophy
146 results
NCE Business ethics
145 results
KBP America
144 results
BM Chinese universism; Confucianism; Taoism
135 results
BB Indigenous religions
132 results
FB Theological education
123 results
KBC Switzerland
117 results
CE Christian art
114 results
NBM Doctrine of Justification
110 results
NCH Medical ethics
105 results
KBE Northern Europe; Scandinavia
101 results
NAB Fundamental theology
101 results
ZA Social sciences
95 results
KBD Benelux countries
93 results
ZG Media studies; Digital media; Communication studies
84 results
NCB Personal ethics
65 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
13 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