IxTheo Classification
AA Study of religion
14 results
AB Philosophy of religion; criticism of religion; atheism
13 results
AD Sociology of religion; religious policy
96 results
AE Psychology of religion
2 results
AF Geography of religion
3 results
AG Religious life; material religion
2 results
AH Religious education
5 results
AX Inter-religious relations
90 results
AZ New religious movements
4 results
BC Ancient Orient; religion
2 results
BF Gnosticism
1 results
BG World religions
10 results
BH Judaism
104 results
BJ Islam
41 results
BK Hinduism, Jainism, Sikhism
2 results
BL Buddhism
2 results
BM Chinese universism; Confucianism; Taoism
1 results
BS Traditional African religions
1 results
CA Christianity
27 results
CB Christian life; spirituality
416 results
CC Christianity and Non-Christian religion; Inter-religious relations
499 results
CD Christianity and Culture
81 results
CE Christian art
30 results
CF Christianity and Science
15 results
CG Christianity and Politics
339 results
CH Christianity and Society
488 results
FA Theology
86 results
FB Theological education
163 results
FD Contextual theology
204 results
HA Bible
413 results
HB Old Testament
99 results
HC New Testament
356 results
HD Early Judaism
6 results
HH Archaeology
4 results
KAA Church history
76 results
KAB Church history 30-500; early Christianity
104 results
KAC Church history 500-1500; Middle Ages
32 results
KAD Church history 500-900; early Middle Ages
13 results
KAE Church history 900-1300; high Middle Ages
50 results
KAF Church history 1300-1500; late Middle Ages
51 results
KAG Church history 1500-1648; Reformation; humanism; Renaissance
353 results
KAH Church history 1648-1913; modern history
332 results
KAJ Church history 1914-; recent history
3,320 results
KBA Western Europe
130 results
KBB German language area
1,097 results
KBC Switzerland
94 results
KBD Benelux countries
71 results
KBE Northern Europe; Scandinavia
91 results
KBF British Isles
137 results
KBG France
110 results
KBH Iberian Peninsula
19 results
KBJ Italy
58 results
KBK Europe (East)
450 results
KBL Near East and North Africa
321 results
KBM Asia
193 results
KBN Sub-Saharan Africa
214 results
KBP America
3 results
KBQ North America
293 results
KBR Latin America
107 results
KBS Australia; Oceania
38 results
KCA Monasticism; religious orders
148 results
KCB Papacy
386 results
KCC Councils
342 results
KCD Hagiography; saints
41 results
KDA Church denominations
78 results
KDB Roman Catholic Church
4,232 results
KDC Old Catholic Church
124 results
KDD Protestant Church
2,895 results
KDE Anglican Church
528 results
KDF Orthodox Church
1,667 results
KDG Free church
707 results
KDH Christian sects
19 results
KDJ Ecumenism
NAA Systematic theology
78 results
NAB Fundamental theology
33 results
NBA Dogmatics
54 results
NBB Doctrine of Revelation
123 results
NBC Doctrine of God
113 results
NBD Doctrine of Creation
43 results
NBE Anthropology
117 results
NBF Christology
220 results
NBG Pneumatology; Holy Spirit
199 results
NBH Angelology; demonology
2 results
NBJ Mariology
162 results
NBK Soteriology
128 results
NBL Doctrine of Predestination
1 results
NBM Doctrine of Justification
520 results
NBN Ecclesiology
1,208 results
NBP Sacramentology; sacraments
830 results
NBQ Eschatology
37 results
NCA Ethics
207 results
NCB Personal ethics
18 results
NCC Social ethics
393 results
NCD Political ethics
235 results
NCE Business ethics
119 results
NCF Sexual ethics
146 results
NCG Environmental ethics; Creation ethics
175 results
NCH Medical ethics
13 results
NCJ Ethics of science
5 results
RA Practical theology
64 results
RB Church office; congregation
861 results
RC Liturgy
513 results
RD Hymnology
54 results
RE Homiletics
51 results
RF Christian education; catechetics
307 results
RG Pastoral care
129 results
RH Evangelization; Christian media
185 results
RJ Mission; missiology
540 results
RK Charity work
101 results
SA Church law; state-church law
641 results
SB Catholic Church law
556 results
SC Church law; Anglican Church
24 results
SD Church law; Protestant Church
70 results
SE Church law; Orthodox Church
69 results
TA History
1 results
TB Antiquity
2 results
TC Pre-Christian history ; Ancient Near East
2 results
TE Middle Ages
1 results
TH Late Middle Ages
1 results
TJ Modern history
1 results
TK Recent history
27 results
VA Philosophy
26 results
VB Hermeneutics; Philosophy
16 results
XA Law
16 results
ZA Social sciences
3 results
ZB Sociology
14 results
ZC Politics in general
14 results
ZD Psychology
6 results
ZF Education
18 results
ZG Media studies; Digital media; Communication studies
32 results