IxTheo Classification
CC Christianity and Non-Christian religion; Inter-religious relations
BH Judaism
4,987 results
BJ Islam
3,535 results
KDB Roman Catholic Church
2,234 results
AX Inter-religious relations
2,123 results
KAJ Church history 1914-; recent history
1,325 results
HC New Testament
1,180 results
KBM Asia
844 results
AD Sociology of religion; religious policy
837 results
KDD Protestant Church
837 results
RJ Mission; missiology
751 results
KBL Near East and North Africa
735 results
NBF Christology
677 results
KBB German language area
625 results
RF Christian education; catechetics
609 results
BL Buddhism
595 results
KAB Church history 30-500; early Christianity
552 results
CB Christian life; spirituality
529 results
KDJ Ecumenism
499 results
HB Old Testament
484 results
NBC Doctrine of God
478 results
KAH Church history 1648-1913; modern history
465 results
BK Hinduism, Jainism, Sikhism
464 results
CD Christianity and Culture
397 results
CG Christianity and Politics
395 results
KBN Sub-Saharan Africa
384 results
KAE Church history 900-1300; high Middle Ages
347 results
HA Bible
343 results
FD Contextual theology
324 results
AG Religious life; material religion
304 results
KAG Church history 1500-1648; Reformation; humanism; Renaissance
281 results
NCD Political ethics
267 results
BB Indigenous religions
260 results
NCC Social ethics
259 results
KCA Monasticism; religious orders
247 results
NBK Soteriology
237 results
KBQ North America
236 results
AB Philosophy of religion; criticism of religion; atheism
225 results
KBH Iberian Peninsula
219 results
AZ New religious movements
216 results
NCA Ethics
216 results
KBK Europe (East)
214 results
RC Liturgy
214 results
SA Church law; state-church law
209 results
KDG Free church
203 results
TK Recent history
202 results
CH Christianity and Society
198 results
KDF Orthodox Church
195 results
AA Study of religion
192 results
VA Philosophy
187 results
NBE Anthropology
186 results
HD Early Judaism
166 results
KCC Councils
154 results
NBB Doctrine of Revelation
152 results
KAF Church history 1300-1500; late Middle Ages
150 results
CA Christianity
139 results
ZB Sociology
138 results
BE Greco-Roman religions
136 results
KAC Church history 500-1500; Middle Ages
132 results
BG World religions
131 results
BM Chinese universism; Confucianism; Taoism
131 results
KAD Church history 500-900; early Middle Ages
131 results
NBN Ecclesiology
129 results
NBQ Eschatology
129 results
NAA Systematic theology
127 results
NAB Fundamental theology
123 results
RB Church office; congregation
122 results
KBD Benelux countries
120 results
KBR Latin America
119 results
KBG France
117 results
FB Theological education
116 results
FA Theology
113 results
KBJ Italy
101 results
KCB Papacy
99 results
AH Religious education
98 results
KBF British Isles
95 results
KBE Northern Europe; Scandinavia
82 results
ZF Education
82 results
RH Evangelization; Christian media
81 results
CE Christian art
80 results
SB Catholic Church law
77 results
RG Pastoral care
75 results
NBL Doctrine of Predestination
71 results
NCG Environmental ethics; Creation ethics
71 results
KBA Western Europe
70 results
NBG Pneumatology; Holy Spirit
67 results
KAA Church history
65 results
CF Christianity and Science
64 results
TE Middle Ages
64 results
KBC Switzerland
63 results
NCF Sexual ethics
61 results
XA Law
59 results
NBM Doctrine of Justification
57 results
NBD Doctrine of Creation
55 results
RE Homiletics
54 results
KBS Australia; Oceania
52 results
KCD Hagiography; saints
52 results
NBJ Mariology
51 results
BS Traditional African religions
46 results
NBP Sacramentology; sacraments
44 results
KDE Anglican Church
43 results
TJ Modern history
43 results
ZC Politics in general
42 results
AE Psychology of religion
39 results
RD Hymnology
37 results
NBA Dogmatics
35 results
VB Hermeneutics; Philosophy
33 results
AF Geography of religion
32 results
NCE Business ethics
31 results
BC Ancient Orient; religion
30 results
RK Charity work
29 results
BR Ancient religions of the Americas
28 results
RA Practical theology
24 results
ZA Social sciences
24 results
BF Gnosticism
22 results
HH Archaeology
22 results
TB Antiquity
21 results
ZD Psychology
21 results
NCB Personal ethics
20 results
KDH Christian sects
19 results
NBH Angelology; demonology
19 results
BN Shinto
18 results
KDA Church denominations
18 results
BD Ancient European religions
14 results
TG High Middle Ages
13 results
ZG Media studies; Digital media; Communication studies
13 results
KBP America
10 results
TA History
8 results
TF Early Middle Ages
8 results
TC Pre-Christian history ; Ancient Near East
7 results
TD Late Antiquity
7 results
KDC Old Catholic Church
6 results
TH Late Middle Ages
5 results
BT Religions of Oceania
3 results
SD Church law; Protestant Church
3 results
NCJ Ethics of science
2 results
NCH Medical ethics
1 results
SE Church law; Orthodox Church
1 results