"Customary Laws of Vietnam Ethnic Minorities is a collection, study, introduction to customary laws of Vietnam ethnic minorities. The work is composed of 4 volumes. Content of the volume Four (continued): Chapters: 6 - Crime & trial. 7 - Customs. Receiving guests. Separation of house and of village. Pregnancy, childbirth. The abstinence when someone dies unexpectedly. Eating & drinking customs. Costume, makeup. Ceremonies. Violating customs. 8 - Behaviours with the natural environment and with cattle, livestock. Pasture & care. Killing cattle for food."