IxTheo Classification
[Unassigned]
3,261,159 results
HC New Testament
106,597 results
HB Old Testament
KDB Roman Catholic Church
80,010 results
SB Catholic Church law
74,823 results
KAJ Church history 1914-; recent history
53,456 results
HA Bible
41,218 results
KBB German language area
39,592 results
KDD Protestant Church
39,467 results
CB Christian life; spirituality
36,106 results
KAH Church history 1648-1913; modern history
29,467 results
RB Church office; congregation
28,817 results
KAB Church history 30-500; early Christianity
26,833 results
CD Christianity and Culture
25,093 results
NBE Anthropology
24,067 results
SA Church law; state-church law
23,834 results
VA Philosophy
23,103 results
HH Archaeology
22,724 results
RC Liturgy
22,379 results
KCA Monasticism; religious orders
21,970 results
RF Christian education; catechetics
20,189 results
AD Sociology of religion; religious policy
20,075 results
KAG Church history 1500-1648; Reformation; humanism; Renaissance
18,757 results
NBC Doctrine of God
18,259 results
HD Early Judaism
17,754 results
BH Judaism
17,736 results
CG Christianity and Politics
17,474 results
RJ Mission; missiology
17,380 results
CH Christianity and Society
16,602 results
NCC Social ethics
16,318 results
CC Christianity and Non-Christian religion; Inter-religious relations
15,743 results
KBQ North America
15,563 results
KDJ Ecumenism
15,522 results
NCA Ethics
13,963 results
NBF Christology
13,120 results
RG Pastoral care
12,964 results
BJ Islam
12,575 results
TC Pre-Christian history ; Ancient Near East
12,570 results
KAE Church history 900-1300; high Middle Ages
12,539 results
NBP Sacramentology; sacraments
12,319 results
KDG Free church
12,300 results
FD Contextual theology
11,469 results
KBJ Italy
10,651 results
NCF Sexual ethics
10,581 results
AB Philosophy of religion; criticism of religion; atheism
10,307 results
RE Homiletics
10,223 results
NBN Ecclesiology
10,174 results
KBM Asia
10,025 results
KBK Europe (East)
9,887 results
XA Law
9,445 results
NCG Environmental ethics; Creation ethics
9,303 results
AG Religious life; material religion
9,283 results
KBL Near East and North Africa
9,062 results
AA Study of religion
8,947 results
KBN Sub-Saharan Africa
8,927 results
NCD Political ethics
8,892 results
ZB Sociology
8,869 results
CF Christianity and Science
8,634 results
BC Ancient Orient; religion
8,548 results
TK Recent history
8,412 results
KDF Orthodox Church
8,284 results
FA Theology
8,231 results
KCD Hagiography; saints
7,935 results
KAA Church history
7,881 results
ZD Psychology
7,797 results
NBK Soteriology
7,591 results
NAA Systematic theology
7,316 results
NCE Business ethics
7,186 results
KBR Latin America
7,100 results
CE Christian art
7,075 results
KBF British Isles
7,057 results
KBG France
7,008 results
RA Practical theology
7,002 results
NBQ Eschatology
6,764 results
RK Charity work
6,729 results
KBH Iberian Peninsula
6,452 results
RH Evangelization; Christian media
6,369 results
FB Theological education
6,249 results
KCB Papacy
6,148 results
KAF Church history 1300-1500; late Middle Ages
6,105 results
KDE Anglican Church
6,098 results
NBD Doctrine of Creation
6,063 results
ZF Education
6,001 results
KCC Councils
5,652 results
RD Hymnology
5,644 results
AX Inter-religious relations
5,499 results
AZ New religious movements
5,212 results
AE Psychology of religion
5,192 results
TB Antiquity
5,151 results
ZC Politics in general
5,098 results
KAC Church history 500-1500; Middle Ages
4,833 results
KBD Benelux countries
4,689 results
KAD Church history 500-900; early Middle Ages
4,434 results
CA Christianity
4,224 results
NBG Pneumatology; Holy Spirit
4,029 results
NBJ Mariology
4,007 results
BL Buddhism
3,734 results
ZG Media studies; Digital media; Communication studies
3,729 results
VB Hermeneutics; Philosophy
3,675 results
NBA Dogmatics
3,492 results
NAB Fundamental theology
3,385 results
NCB Personal ethics
3,379 results
BE Greco-Roman religions
3,345 results
NBB Doctrine of Revelation
3,282 results
KBC Switzerland
3,229 results
KBE Northern Europe; Scandinavia
3,175 results
TJ Modern history
3,140 results
NCH Medical ethics
3,133 results
SD Church law; Protestant Church
3,015 results
BK Hinduism, Jainism, Sikhism
2,933 results
KBA Western Europe
2,901 results
BF Gnosticism
2,774 results
TE Middle Ages
2,554 results
NBM Doctrine of Justification
2,481 results
TA History
1,920 results
ZA Social sciences
1,800 results
KBS Australia; Oceania
1,795 results
AH Religious education
1,728 results
KDH Christian sects
1,558 results
BB Indigenous religions
1,505 results
NBH Angelology; demonology
1,493 results
NCJ Ethics of science
1,238 results
KDA Church denominations
1,227 results
AF Geography of religion
1,159 results
BM Chinese universism; Confucianism; Taoism
964 results
SE Church law; Orthodox Church
943 results
NBL Doctrine of Predestination
762 results
BG World religions
718 results
TD Late Antiquity
601 results
TG High Middle Ages
568 results
KDC Old Catholic Church
460 results
KBP America
409 results
TH Late Middle Ages
346 results
SC Church law; Anglican Church
327 results
BD Ancient European religions
312 results
TF Early Middle Ages
296 results
BS Traditional African religions
290 results
BN Shinto
249 results
BR Ancient religions of the Americas
205 results
BT Religions of Oceania
28 results