IxTheo Classification
KBQ North America
KAJ Church history 1914-; recent history
3,592 results
KDG Free church
2,582 results
AD Sociology of religion; religious policy
2,285 results
KAH Church history 1648-1913; modern history
2,171 results
KDB Roman Catholic Church
2,168 results
KDD Protestant Church
2,074 results
CG Christianity and Politics
1,463 results
RB Church office; congregation
1,182 results
CH Christianity and Society
956 results
CB Christian life; spirituality
952 results
FD Contextual theology
946 results
NCC Social ethics
851 results
CD Christianity and Culture
767 results
FB Theological education
702 results
SA Church law; state-church law
600 results
NBE Anthropology
540 results
RF Christian education; catechetics
528 results
RJ Mission; missiology
511 results
AG Religious life; material religion
498 results
KDE Anglican Church
480 results
CF Christianity and Science
465 results
NCF Sexual ethics
456 results
NCD Political ethics
429 results
RC Liturgy
403 results
KBM Asia
376 results
RG Pastoral care
363 results
ZC Politics in general
362 results
KDH Christian sects
357 results
KBR Latin America
350 results
KCA Monasticism; religious orders
347 results
RH Evangelization; Christian media
340 results
ZB Sociology
317 results
TK Recent history
310 results
HA Bible
295 results
KDJ Ecumenism
291 results
ZF Education
282 results
AE Psychology of religion
270 results
SB Catholic Church law
266 results
BJ Islam
251 results
KBF British Isles
246 results
XA Law
246 results
AB Philosophy of religion; criticism of religion; atheism
243 results
KBB German language area
243 results
CC Christianity and Non-Christian religion; Inter-religious relations
235 results
NCG Environmental ethics; Creation ethics
233 results
ZD Psychology
227 results
AZ New religious movements
224 results
NCA Ethics
223 results
AA Study of religion
208 results
BH Judaism
205 results
HC New Testament
203 results
HB Old Testament
192 results
RD Hymnology
176 results
KBN Sub-Saharan Africa
152 results
NCE Business ethics
143 results
NBN Ecclesiology
142 results
AX Inter-religious relations
140 results
VA Philosophy
136 results
KDF Orthodox Church
135 results
NCH Medical ethics
135 results
RE Homiletics
134 results
FA Theology
124 results
KBP America
124 results
NBQ Eschatology
124 results
RK Charity work
123 results
ZG Media studies; Digital media; Communication studies
122 results
KBA Western Europe
121 results
NBC Doctrine of God
121 results
TJ Modern history
120 results
NAA Systematic theology
118 results
AH Religious education
109 results
KBK Europe (East)
108 results
BB Indigenous religions
107 results
NBP Sacramentology; sacraments
107 results
KBL Near East and North Africa
104 results
NBG Pneumatology; Holy Spirit
101 results
KAA Church history
97 results
NCB Personal ethics
97 results
KBG France
95 results
AF Geography of religion
94 results
CE Christian art
94 results
KAG Church history 1500-1648; Reformation; humanism; Renaissance
78 results
BL Buddhism
77 results
CA Christianity
73 results
NBK Soteriology
72 results
ZA Social sciences
68 results
RA Practical theology
66 results
NBF Christology
63 results
KCD Hagiography; saints
62 results
NBD Doctrine of Creation
59 results
KBD Benelux countries
58 results
KBS Australia; Oceania
57 results
KBE Northern Europe; Scandinavia
52 results
KCB Papacy
52 results
BK Hinduism, Jainism, Sikhism
49 results
KCC Councils
45 results
KAB Church history 30-500; early Christianity
40 results
KBJ Italy
40 results
KDA Church denominations
38 results
NAB Fundamental theology
36 results
NBJ Mariology
36 results
NCJ Ethics of science
25 results
BR Ancient religions of the Americas
24 results
TA History
23 results
KBH Iberian Peninsula
22 results
VB Hermeneutics; Philosophy
22 results
NBM Doctrine of Justification
21 results
NBB Doctrine of Revelation
20 results
HH Archaeology
19 results
NBA Dogmatics
18 results
NBH Angelology; demonology
18 results
HD Early Judaism
16 results
KBC Switzerland
15 results
NBL Doctrine of Predestination
12 results
SD Church law; Protestant Church
12 results
BM Chinese universism; Confucianism; Taoism
11 results
BS Traditional African religions
10 results
KAC Church history 500-1500; Middle Ages
8 results
KAE Church history 900-1300; high Middle Ages
7 results
BG World religions
6 results
BN Shinto
6 results
SE Church law; Orthodox Church
6 results
TB Antiquity
6 results
BF Gnosticism
5 results
KDC Old Catholic Church
5 results
BC Ancient Orient; religion
4 results
SC Church law; Anglican Church
4 results
TE Middle Ages
4 results
KAD Church history 500-900; early Middle Ages
3 results
BE Greco-Roman religions
2 results
BT Religions of Oceania
1 results
TH Late Middle Ages
1 results