IxTheo Classification
KAJ Church history 1914-; recent history
KDB Roman Catholic Church
21,386 results
KBB German language area
10,694 results
KDD Protestant Church
10,150 results
CG Christianity and Politics
4,949 results
KAH Church history 1648-1913; modern history
3,759 results
KBQ North America
3,615 results
KDJ Ecumenism
3,318 results
RB Church office; congregation
3,077 results
CB Christian life; spirituality
2,634 results
KBK Europe (East)
2,594 results
CH Christianity and Society
2,553 results
KCC Councils
2,506 results
CD Christianity and Culture
2,504 results
KCA Monasticism; religious orders
2,448 results
KDG Free church
2,426 results
RC Liturgy
2,061 results
KBJ Italy
1,965 results
RJ Mission; missiology
1,846 results
VA Philosophy
1,726 results
NBE Anthropology
1,709 results
KDF Orthodox Church
1,640 results
KBN Sub-Saharan Africa
1,515 results
KCB Papacy
1,496 results
KBR Latin America
1,436 results
SA Church law; state-church law
1,381 results
NCC Social ethics
1,361 results
KBG France
1,342 results
CC Christianity and Non-Christian religion; Inter-religious relations
1,323 results
KBM Asia
1,300 results
KAG Church history 1500-1648; Reformation; humanism; Renaissance
1,234 results
NBN Ecclesiology
1,226 results
KBH Iberian Peninsula
1,214 results
NCD Political ethics
1,209 results
FB Theological education
1,139 results
FD Contextual theology
1,134 results
NBC Doctrine of God
1,050 results
KBD Benelux countries
1,001 results
RF Christian education; catechetics
975 results
RH Evangelization; Christian media
970 results
NCA Ethics
959 results
AD Sociology of religion; religious policy
930 results
NAA Systematic theology
924 results
KBF British Isles
919 results
HC New Testament
911 results
FA Theology
884 results
HA Bible
878 results
KDE Anglican Church
857 results
SB Catholic Church law
844 results
KBL Near East and North Africa
802 results
NBF Christology
793 results
BH Judaism
767 results
CF Christianity and Science
760 results
NCF Sexual ethics
693 results
KCD Hagiography; saints
650 results
KBE Northern Europe; Scandinavia
647 results
KAB Church history 30-500; early Christianity
641 results
RG Pastoral care
586 results
NBP Sacramentology; sacraments
570 results
KAE Church history 900-1300; high Middle Ages
565 results
RK Charity work
563 results
HB Old Testament
553 results
CE Christian art
525 results
KBC Switzerland
492 results
ZC Politics in general
491 results
RD Hymnology
472 results
NBK Soteriology
467 results
AB Philosophy of religion; criticism of religion; atheism
444 results
KAA Church history
430 results
NCG Environmental ethics; Creation ethics
427 results
KBA Western Europe
403 results
ZG Media studies; Digital media; Communication studies
401 results
NBJ Mariology
399 results
NBQ Eschatology
373 results
NBB Doctrine of Revelation
370 results
RE Homiletics
361 results
NAB Fundamental theology
358 results
KBS Australia; Oceania
337 results
NCE Business ethics
329 results
BJ Islam
313 results
NBD Doctrine of Creation
313 results
NBG Pneumatology; Holy Spirit
292 results
RA Practical theology
255 results
TK Recent history
255 results
NBA Dogmatics
242 results
XA Law
224 results
ZF Education
213 results
ZD Psychology
212 results
VB Hermeneutics; Philosophy
208 results
NCB Personal ethics
207 results
ZB Sociology
199 results
KDH Christian sects
194 results
AA Study of religion
190 results
CA Christianity
187 results
NCH Medical ethics
165 results
KAC Church history 500-1500; Middle Ages
152 results
AX Inter-religious relations
151 results
SD Church law; Protestant Church
150 results
KAF Church history 1300-1500; late Middle Ages
116 results
NBM Doctrine of Justification
103 results
HH Archaeology
82 results
KDC Old Catholic Church
81 results
AG Religious life; material religion
79 results
KAD Church history 500-900; early Middle Ages
70 results
AE Psychology of religion
67 results
KDA Church denominations
65 results
BK Hinduism, Jainism, Sikhism
63 results
ZA Social sciences
62 results
AF Geography of religion
61 results
KBP America
61 results
AZ New religious movements
60 results
BL Buddhism
60 results
NBH Angelology; demonology
53 results
HD Early Judaism
51 results
NCJ Ethics of science
46 results
SE Church law; Orthodox Church
46 results
NBL Doctrine of Predestination
41 results
TA History
41 results
AH Religious education
33 results
TB Antiquity
29 results
TJ Modern history
26 results
BM Chinese universism; Confucianism; Taoism
21 results
BB Indigenous religions
20 results
BF Gnosticism
17 results
BS Traditional African religions
16 results
BG World religions
15 results
SC Church law; Anglican Church
13 results
TC Pre-Christian history ; Ancient Near East
7 results
TD Late Antiquity
7 results
BC Ancient Orient; religion
6 results
BN Shinto
6 results
TE Middle Ages
6 results
BE Greco-Roman religions
5 results
BR Ancient religions of the Americas
3 results
BD Ancient European religions
2 results
TG High Middle Ages
1 results