Classification
270 - History of Christianity & Christian church
60
900 - History & geography
10
272 - Persecutions in church history
6
320 - Political science
5
200 - Religion
4
330 - Economics
4
360 - Social problems & services; associations
4
410 - Linguistics
2
581 - Specific topics in natural history
2
800 - Literature & rhetoric
2
100 - Philosophy & psychology
1
133 - Specific topics in parapsychology & occultism
1
140 - Specific philosophical schools
1
261 - Social theology
1
271 - Religious orders in church history
1
280 - Christian denominations & sects
1
282 - Roman Catholic Church
1
305 - Social groups
1
333 - Economics of land & energy
1
340 - Law
1
363 - Other social problems & services
1
370 - Education
1
398 - Folklore
1
400 - Language
1
414 - Phonology & phonetics
1
600 - Technology
1
610 - Medicine & health
1
686 - Printing & related activities
1
891 - East Indo-European & Celtic literatures
1
940 - History of Europe
1