IxTheo Classification
KDB Roman Catholic Church
KAJ Church history 1914-; recent history
21,360 results
RB Church office; congregation
10,757 results
KBB German language area
8,952 results
KAH Church history 1648-1913; modern history
8,447 results
RC Liturgy
7,557 results
CB Christian life; spirituality
6,295 results
KCA Monasticism; religious orders
5,438 results
KDJ Ecumenism
4,227 results
NBP Sacramentology; sacraments
3,804 results
CG Christianity and Politics
3,708 results
SB Catholic Church law
3,557 results
KBJ Italy
3,481 results
NBN Ecclesiology
3,361 results
RF Christian education; catechetics
3,163 results
KCC Councils
3,086 results
NCC Social ethics
3,065 results
NCF Sexual ethics
3,037 results
KDD Protestant Church
3,015 results
KAG Church history 1500-1648; Reformation; humanism; Renaissance
2,699 results
KCB Papacy
2,695 results
NBE Anthropology
2,675 results
CD Christianity and Culture
2,595 results
KBR Latin America
2,563 results
KBH Iberian Peninsula
2,531 results
RJ Mission; missiology
2,488 results
CH Christianity and Society
2,463 results
RH Evangelization; Christian media
2,367 results
CC Christianity and Non-Christian religion; Inter-religious relations
2,227 results
KBQ North America
2,167 results
RG Pastoral care
2,156 results
NCA Ethics
2,120 results
KCD Hagiography; saints
2,077 results
KBG France
2,024 results
VA Philosophy
1,991 results
FB Theological education
1,760 results
KBK Europe (East)
1,760 results
KAE Church history 900-1300; high Middle Ages
1,624 results
SA Church law; state-church law
1,556 results
KBM Asia
1,555 results
KDF Orthodox Church
1,493 results
AD Sociology of religion; religious policy
1,293 results
HA Bible
1,283 results
NCG Environmental ethics; Creation ethics
1,210 results
NBC Doctrine of God
1,200 results
NCD Political ethics
1,119 results
KBF British Isles
1,118 results
NBF Christology
1,114 results
NBJ Mariology
1,082 results
KBD Benelux countries
1,052 results
NBK Soteriology
1,052 results
FD Contextual theology
1,045 results
KBN Sub-Saharan Africa
987 results
CE Christian art
976 results
CF Christianity and Science
972 results
RK Charity work
959 results
NAA Systematic theology
957 results
NCE Business ethics
934 results
KBL Near East and North Africa
902 results
NAB Fundamental theology
875 results
HC New Testament
872 results
BH Judaism
870 results
KAA Church history
864 results
FA Theology
761 results
RD Hymnology
706 results
KBC Switzerland
644 results
KAF Church history 1300-1500; late Middle Ages
630 results
NCB Personal ethics
607 results
NBB Doctrine of Revelation
572 results
NBM Doctrine of Justification
525 results
BJ Islam
501 results
XA Law
500 results
KDG Free church
496 results
KDE Anglican Church
487 results
NBG Pneumatology; Holy Spirit
472 results
KBS Australia; Oceania
437 results
ZF Education
437 results
NBD Doctrine of Creation
428 results
RE Homiletics
408 results
KAB Church history 30-500; early Christianity
398 results
NBA Dogmatics
375 results
HB Old Testament
372 results
NBQ Eschatology
362 results
KAC Church history 500-1500; Middle Ages
354 results
RA Practical theology
335 results
KBA Western Europe
321 results
ZB Sociology
299 results
ZG Media studies; Digital media; Communication studies
279 results
ZD Psychology
277 results
AB Philosophy of religion; criticism of religion; atheism
266 results
NCH Medical ethics
236 results
AX Inter-religious relations
217 results
TK Recent history
214 results
ZC Politics in general
181 results
VB Hermeneutics; Philosophy
179 results
CA Christianity
158 results
AZ New religious movements
154 results
KAD Church history 500-900; early Middle Ages
146 results
KBE Northern Europe; Scandinavia
141 results
AG Religious life; material religion
130 results
NBH Angelology; demonology
128 results
AE Psychology of religion
122 results
BL Buddhism
101 results
AF Geography of religion
99 results
ZA Social sciences
92 results
AA Study of religion
79 results
KDH Christian sects
76 results
BK Hinduism, Jainism, Sikhism
73 results
KBP America
70 results
HH Archaeology
66 results
SD Church law; Protestant Church
58 results
KDA Church denominations
57 results
KDC Old Catholic Church
55 results
SE Church law; Orthodox Church
51 results
BB Indigenous religions
50 results
NCJ Ethics of science
49 results
TJ Modern history
48 results
NBL Doctrine of Predestination
40 results
TA History
37 results
BM Chinese universism; Confucianism; Taoism
28 results
AH Religious education
27 results
TB Antiquity
22 results
SC Church law; Anglican Church
21 results
BR Ancient religions of the Americas
19 results
HD Early Judaism
12 results
BS Traditional African religions
10 results
BF Gnosticism
9 results
TE Middle Ages
9 results
BC Ancient Orient; religion
7 results
BG World religions
7 results
BE Greco-Roman religions
6 results
BD Ancient European religions
5 results
BN Shinto
3 results
BT Religions of Oceania
2 results
TF Early Middle Ages
2 results
TC Pre-Christian history ; Ancient Near East
1 results
TG High Middle Ages
1 results