IxTheo Classification
RG Pastoral care
RF Christian education; catechetics
2,696 results
RA Practical theology
2,322 results
HA Bible
2,261 results
KDB Roman Catholic Church
2,156 results
ZD Psychology
1,579 results
RB Church office; congregation
1,306 results
CB Christian life; spirituality
1,031 results
KBB German language area
906 results
KDD Protestant Church
688 results
NCF Sexual ethics
654 results
CH Christianity and Society
604 results
RK Charity work
599 results
HC New Testament
596 results
KAJ Church history 1914-; recent history
581 results
HB Old Testament
460 results
NBE Anthropology
452 results
RC Liturgy
445 results
SB Catholic Church law
415 results
NBP Sacramentology; sacraments
364 results
KBQ North America
363 results
NCG Environmental ethics; Creation ethics
313 results
CD Christianity and Culture
255 results
KCA Monasticism; religious orders
250 results
AD Sociology of religion; religious policy
238 results
NCC Social ethics
231 results
FB Theological education
228 results
SA Church law; state-church law
226 results
RH Evangelization; Christian media
223 results
AE Psychology of religion
222 results
KAH Church history 1648-1913; modern history
197 results
RE Homiletics
191 results
NCA Ethics
151 results
KBD Benelux countries
146 results
FD Contextual theology
143 results
ZB Sociology
136 results
NBC Doctrine of God
133 results
KBR Latin America
132 results
KBN Sub-Saharan Africa
131 results
KDJ Ecumenism
128 results
KDG Free church
125 results
RJ Mission; missiology
119 results
KAG Church history 1500-1648; Reformation; humanism; Renaissance
118 results
NCB Personal ethics
113 results
KBM Asia
112 results
KBJ Italy
101 results
NCH Medical ethics
101 results
NBK Soteriology
97 results
ZF Education
96 results
CG Christianity and Politics
91 results
KAB Church history 30-500; early Christianity
87 results
NBN Ecclesiology
82 results
NBQ Eschatology
80 results
KBF British Isles
78 results
KBK Europe (East)
76 results
CC Christianity and Non-Christian religion; Inter-religious relations
75 results
KBC Switzerland
75 results
FA Theology
69 results
ZG Media studies; Digital media; Communication studies
65 results
AG Religious life; material religion
64 results
KBG France
63 results
KBH Iberian Peninsula
61 results
KBE Northern Europe; Scandinavia
59 results
CF Christianity and Science
58 results
NBB Doctrine of Revelation
57 results
NBF Christology
57 results
NCE Business ethics
53 results
KCC Councils
52 results
KCB Papacy
49 results
KDF Orthodox Church
49 results
NCD Political ethics
48 results
VA Philosophy
48 results
KDE Anglican Church
45 results
RD Hymnology
41 results
BJ Islam
40 results
KBS Australia; Oceania
36 results
XA Law
36 results
ZA Social sciences
33 results
BH Judaism
31 results
TK Recent history
31 results
CE Christian art
29 results
KAE Church history 900-1300; high Middle Ages
29 results
NBD Doctrine of Creation
29 results
NBH Angelology; demonology
29 results
NBG Pneumatology; Holy Spirit
28 results
AZ New religious movements
27 results
NAA Systematic theology
25 results
KBL Near East and North Africa
24 results
KAF Church history 1300-1500; late Middle Ages
21 results
NBM Doctrine of Justification
20 results
AA Study of religion
18 results
KAA Church history
18 results
CA Christianity
17 results
KAC Church history 500-1500; Middle Ages
17 results
KAD Church history 500-900; early Middle Ages
17 results
VB Hermeneutics; Philosophy
15 results
AX Inter-religious relations
14 results
BL Buddhism
14 results
KCD Hagiography; saints
14 results
ZC Politics in general
14 results
AB Philosophy of religion; criticism of religion; atheism
13 results
KBA Western Europe
12 results
NBA Dogmatics
12 results
SD Church law; Protestant Church
12 results
NBJ Mariology
10 results
AH Religious education
8 results
NAB Fundamental theology
8 results
AF Geography of religion
7 results
KDA Church denominations
7 results
KDC Old Catholic Church
7 results
KDH Christian sects
7 results
SE Church law; Orthodox Church
7 results
TE Middle Ages
7 results
HH Archaeology
5 results
NBL Doctrine of Predestination
5 results
BB Indigenous religions
4 results
HD Early Judaism
4 results
NCJ Ethics of science
4 results
BC Ancient Orient; religion
3 results
BG World religions
3 results
BK Hinduism, Jainism, Sikhism
3 results
BM Chinese universism; Confucianism; Taoism
3 results
BN Shinto
2 results
BS Traditional African religions
2 results
BE Greco-Roman religions
1 results
BF Gnosticism
1 results
BR Ancient religions of the Americas
1 results
BT Religions of Oceania
1 results
SC Church law; Anglican Church
1 results
TA History
1 results
TJ Modern history
1 results