IxTheo Classification
KAB Church history 30-500; early Christianity
HC New Testament
7,150 results
HB Old Testament
2,341 results
CB Christian life; spirituality
1,542 results
KBL Near East and North Africa
1,375 results
NBF Christology
1,307 results
NBE Anthropology
1,172 results
NBC Doctrine of God
1,120 results
HD Early Judaism
1,115 results
HA Bible
1,043 results
HH Archaeology
1,013 results
BF Gnosticism
958 results
KAD Church history 500-900; early Middle Ages
932 results
VA Philosophy
883 results
CD Christianity and Culture
803 results
RC Liturgy
799 results
KCD Hagiography; saints
763 results
KCA Monasticism; religious orders
695 results
BH Judaism
662 results
KAJ Church history 1914-; recent history
642 results
NBP Sacramentology; sacraments
631 results
RB Church office; congregation
609 results
TB Antiquity
585 results
CC Christianity and Non-Christian religion; Inter-religious relations
550 results
NBK Soteriology
525 results
CE Christian art
481 results
KBJ Italy
464 results
KAC Church history 500-1500; Middle Ages
455 results
BE Greco-Roman religions
449 results
NBQ Eschatology
437 results
RE Homiletics
407 results
KDB Roman Catholic Church
398 results
NBN Ecclesiology
393 results
KAE Church history 900-1300; high Middle Ages
381 results
NCA Ethics
326 results
CG Christianity and Politics
318 results
KCC Councils
302 results
NCF Sexual ethics
282 results
KDF Orthodox Church
265 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
225 results
BC Ancient Orient; religion
221 results
NAA Systematic theology
202 results
KDG Free church
201 results
SA Church law; state-church law
199 results
SB Catholic Church law
194 results
RF Christian education; catechetics
191 results
NBJ Mariology
186 results
NCC Social ethics
173 results
AD Sociology of religion; religious policy
165 results
KBK Europe (East)
160 results
NAB Fundamental theology
160 results
KAA Church history
146 results
FA Theology
144 results
NBH Angelology; demonology
143 results
RJ Mission; missiology
137 results
CH Christianity and Society
134 results
NCD Political ethics
125 results
AG Religious life; material religion
124 results
KDD Protestant Church
122 results
KCB Papacy
120 results
TE Middle Ages
117 results
KAF Church history 1300-1500; late Middle Ages
113 results
KBG France
111 results
TC Pre-Christian history ; Ancient Near East
111 results
KBH Iberian Peninsula
108 results
VB Hermeneutics; Philosophy
106 results
KDJ Ecumenism
104 results
NBB Doctrine of Revelation
103 results
ZF Education
97 results
RD Hymnology
93 results
NBA Dogmatics
92 results
TD Late Antiquity
91 results
CF Christianity and Science
88 results
RG Pastoral care
87 results
AB Philosophy of religion; criticism of religion; atheism
86 results
KBB German language area
86 results
FD Contextual theology
84 results
KDH Christian sects
79 results
CA Christianity
77 results
KBF British Isles
69 results
NBL Doctrine of Predestination
69 results
XA Law
69 results
BJ Islam
67 results
AZ New religious movements
64 results
NCB Personal ethics
63 results
AA Study of religion
62 results
AX Inter-religious relations
57 results
RK Charity work
54 results
NBM Doctrine of Justification
52 results
NCE Business ethics
51 results
ZD Psychology
49 results
ZB Sociology
45 results
NCG Environmental ethics; Creation ethics
41 results
KBQ North America
40 results
KBM Asia
39 results
FB Theological education
38 results
KDE Anglican Church
33 results
TK Recent history
32 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
BL Buddhism
14 results
RH Evangelization; Christian media
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
KBC Switzerland
8 results
ZA Social sciences
8 results
BD Ancient European religions
7 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