Classification
100 - Philosophy & psychology
3
133 - Specific topics in parapsychology & occultism
2
900 - History & geography
2
130 - Parapsychology & occultism
1
200 - Religion
1
266 - Missions
1
400 - Language
1
410 - Linguistics
1
500 - Natural sciences & mathematics
1
510 - Mathematics
1
530 - Physics
1
610 - Medicine & health
1
800 - Literature & rhetoric
1