Main classes
2X
Divisions
Sections
- 390Customs, etiquette, folklore2
- 391Costume & personal appearance
- 392Customs of life cycle & domestic life1
- 393Death customs
- 394General customs1
- 395Etiquette (Manners)
- 396[Unassigned]
- 397[Unassigned]
- 398Folklore5
- 399Customs of war & diplomacy