IxTheo Classification
KAB Church history 30-500; early Christianity
HC New Testament
7,168 results
HB Old Testament
2,348 results
CB Christian life; spirituality
1,551 results
KBL Near East and North Africa
1,387 results
NBF Christology
1,316 results
NBE Anthropology
1,182 results
NBC Doctrine of God
1,125 results
HD Early Judaism
1,115 results
HA Bible
1,047 results
HH Archaeology
1,020 results
BF Gnosticism
956 results
KAD Church history 500-900; early Middle Ages
945 results
VA Philosophy
887 results
CD Christianity and Culture
814 results
RC Liturgy
806 results
KCD Hagiography; saints
770 results
KCA Monasticism; religious orders
699 results
BH Judaism
664 results
KAJ Church history 1914-; recent history
642 results
NBP Sacramentology; sacraments
636 results
RB Church office; congregation
614 results
TB Antiquity
588 results
CC Christianity and Non-Christian religion; Inter-religious relations
552 results
NBK Soteriology
525 results
CE Christian art
483 results
KBJ Italy
464 results
KAC Church history 500-1500; Middle Ages
457 results
BE Greco-Roman religions
451 results
NBQ Eschatology
439 results
RE Homiletics
409 results
KDB Roman Catholic Church
400 results
NBN Ecclesiology
394 results
KAE Church history 900-1300; high Middle Ages
385 results
NCA Ethics
329 results
CG Christianity and Politics
320 results
KCC Councils
303 results
NCF Sexual ethics
283 results
KDF Orthodox Church
267 results
KAH Church history 1648-1913; modern history
258 results
NBD Doctrine of Creation
258 results
KAG Church history 1500-1648; Reformation; humanism; Renaissance
250 results
NBG Pneumatology; Holy Spirit
226 results
BC Ancient Orient; religion
221 results
NAA Systematic theology
204 results
SA Church law; state-church law
202 results
KDG Free church
201 results
SB Catholic Church law
194 results
RF Christian education; catechetics
192 results
NBJ Mariology
188 results
NCC Social ethics
173 results
AD Sociology of religion; religious policy
166 results
KBK Europe (East)
161 results
NAB Fundamental theology
160 results
KAA Church history
149 results
FA Theology
147 results
NBH Angelology; demonology
144 results
RJ Mission; missiology
139 results
CH Christianity and Society
137 results
AG Religious life; material religion
127 results
NCD Political ethics
126 results
KDD Protestant Church
122 results
KCB Papacy
120 results
TE Middle Ages
117 results
KAF Church history 1300-1500; late Middle Ages
115 results
KBG France
115 results
TC Pre-Christian history ; Ancient Near East
111 results
KBH Iberian Peninsula
108 results
VB Hermeneutics; Philosophy
108 results
KDJ Ecumenism
104 results
NBB Doctrine of Revelation
103 results
ZF Education
99 results
RD Hymnology
93 results
NBA Dogmatics
92 results
TD Late Antiquity
91 results
CF Christianity and Science
88 results
RG Pastoral care
88 results
AB Philosophy of religion; criticism of religion; atheism
86 results
KBB German language area
86 results
FD Contextual theology
85 results
KDH Christian sects
80 results
CA Christianity
79 results
XA Law
72 results
KBF British Isles
70 results
NBL Doctrine of Predestination
69 results
BJ Islam
67 results
AZ New religious movements
64 results
NCB Personal ethics
64 results
AA Study of religion
62 results
AX Inter-religious relations
58 results
RK Charity work
54 results
NBM Doctrine of Justification
52 results
NCE Business ethics
51 results
ZD Psychology
50 results
ZB Sociology
46 results
NCG Environmental ethics; Creation ethics
41 results
KBM Asia
40 results
KBQ North America
40 results
FB Theological education
38 results
KDE Anglican Church
33 results
TK Recent history
33 results
AF Geography of religion
31 results
KBN Sub-Saharan Africa
29 results
AE Psychology of religion
27 results
RA Practical theology
27 results
KBD Benelux countries
25 results
KBA Western Europe
24 results
KBR Latin America
21 results
ZC Politics in general
17 results
NCH Medical ethics
16 results
RH Evangelization; Christian media
15 results
BL Buddhism
14 results
TA History
13 results
BK Hinduism, Jainism, Sikhism
12 results
ZG Media studies; Digital media; Communication studies
12 results
SE Church law; Orthodox Church
11 results
BD Ancient European religions
8 results
KBC Switzerland
8 results
ZA Social sciences
8 results
KBE Northern Europe; Scandinavia
7 results
TF Early Middle Ages
7 results
BG World religions
5 results
KBS Australia; Oceania
5 results
TJ Modern history
5 results
KDC Old Catholic Church
4 results
SD Church law; Protestant Church
4 results
BM Chinese universism; Confucianism; Taoism
3 results
BS Traditional African religions
3 results
KBP America
3 results
NCJ Ethics of science
3 results
TH Late Middle Ages
3 results
BB Indigenous religions
2 results
TG High Middle Ages
2 results
AH Religious education
1 results
BR Ancient religions of the Americas
1 results
KDA Church denominations
1 results