IxTheo Classification
AA Study of religion
1,832 results
AB Philosophy of religion; criticism of religion; atheism
1,244 results
AD Sociology of religion; religious policy
1,552 results
AE Psychology of religion
295 results
AF Geography of religion
274 results
AG Religious life; material religion
1,262 results
AH Religious education
212 results
AX Inter-religious relations
864 results
AZ New religious movements
659 results
BB Indigenous religions
133 results
BC Ancient Orient; religion
1,230 results
BD Ancient European religions
63 results
BE Greco-Roman religions
511 results
BF Gnosticism
361 results
BG World religions
242 results
BH Judaism
1,460 results
BJ Islam
1,479 results
BK Hinduism, Jainism, Sikhism
515 results
BL Buddhism
725 results
BM Chinese universism; Confucianism; Taoism
135 results
BN Shinto
28 results
BR Ancient religions of the Americas
14 results
BS Traditional African religions
29 results
BT Religions of Oceania
2 results
CA Christianity
952 results
CB Christian life; spirituality
1,265 results
CC Christianity and Non-Christian religion; Inter-religious relations
827 results
CD Christianity and Culture
497 results
CE Christian art
118 results
CF Christianity and Science
321 results
CG Christianity and Politics
510 results
CH Christianity and Society
760 results
FA Theology
2,856 results
FB Theological education
126 results
FD Contextual theology
360 results
HA Bible
17,845 results
HB Old Testament
23,810 results
HC New Testament
25,747 results
HD Early Judaism
2,313 results
HH Archaeology
1,436 results
KAA Church history
3,561 results
KAB Church history 30-500; early Christianity
1,747 results
KAC Church history 500-1500; Middle Ages
668 results
KAD Church history 500-900; early Middle Ages
241 results
KAE Church history 900-1300; high Middle Ages
345 results
KAF Church history 1300-1500; late Middle Ages
177 results
KAG Church history 1500-1648; Reformation; humanism; Renaissance
525 results
KAH Church history 1648-1913; modern history
795 results
KAJ Church history 1914-; recent history
1,117 results
KBA Western Europe
521 results
KBB German language area
1,603 results
KBC Switzerland
120 results
KBD Benelux countries
93 results
KBE Northern Europe; Scandinavia
103 results
KBF British Isles
212 results
KBG France
245 results
KBH Iberian Peninsula
165 results
KBJ Italy
359 results
KBK Europe (East)
264 results
KBL Near East and North Africa
313 results
KBM Asia
844 results
KBN Sub-Saharan Africa
380 results
KBP America
144 results
KBQ North America
704 results
KBR Latin America
192 results
KBS Australia; Oceania
50 results
KCA Monasticism; religious orders
1,351 results
KCB Papacy
357 results
KCC Councils
281 results
KCD Hagiography; saints
194 results
KDA Church denominations
606 results
KDB Roman Catholic Church
3,460 results
KDC Old Catholic Church
16 results
KDD Protestant Church
1,567 results
KDE Anglican Church
2,135 results
KDF Orthodox Church
354 results
KDG Free church
567 results
KDH Christian sects
275 results
KDJ Ecumenism
571 results
NAA Systematic theology
1,454 results
NAB Fundamental theology
103 results
NBA Dogmatics
1,566 results
NBB Doctrine of Revelation
185 results
NBC Doctrine of God
731 results
NBD Doctrine of Creation
200 results
NBE Anthropology
869 results
NBF Christology
810 results
NBG Pneumatology; Holy Spirit
152 results
NBH Angelology; demonology
28 results
NBJ Mariology
164 results
NBK Soteriology
412 results
NBL Doctrine of Predestination
38 results
NBM Doctrine of Justification
110 results
NBN Ecclesiology
918 results
NBP Sacramentology; sacraments
695 results
NBQ Eschatology
270 results
NCA Ethics
859 results
NCB Personal ethics
69 results
NCC Social ethics
460 results
NCD Political ethics
292 results
NCE Business ethics
144 results
NCF Sexual ethics
205 results
NCG Environmental ethics; Creation ethics
282 results
NCH Medical ethics
105 results
NCJ Ethics of science
47 results
RA Practical theology
2,916 results
RB Church office; congregation
876 results
RC Liturgy
1,595 results
RD Hymnology
728 results
RE Homiletics
974 results
RF Christian education; catechetics
966 results
RG Pastoral care
817 results
RH Evangelization; Christian media
216 results
RJ Mission; missiology
4,918 results
RK Charity work
173 results
SA Church law; state-church law
1,660 results
SB Catholic Church law
4,083 results
SC Church law; Anglican Church
16 results
SD Church law; Protestant Church
381 results
SE Church law; Orthodox Church
40 results
TA History
828 results
TB Antiquity
718 results
TC Pre-Christian history ; Ancient Near East
1,650 results
TD Late Antiquity
26 results
TE Middle Ages
228 results
TF Early Middle Ages
9 results
TG High Middle Ages
12 results
TH Late Middle Ages
9 results
TJ Modern history
176 results
TK Recent history
242 results
VA Philosophy
1,277 results
VB Hermeneutics; Philosophy
147 results
XA Law
690 results
ZA Social sciences
96 results
ZB Sociology
227 results
ZC Politics in general
304 results
ZD Psychology
174 results
ZF Education
190 results
ZG Media studies; Digital media; Communication studies
85 results
[Unassigned]
1,144,921 results