剧情简介：Oral traditions are historical sources of a special nature. Their special nature derives from the fact that they are "unwritten" sources couched in a form suitable for oral transmission, and that their preservation depends on the powers of memory of successive generations of human beings. In many parts of the world inhabited by peoples without writing, oral tradition forms the ...(展开全部)
作者：Jan Vansina
出版社：Aldine Transaction
ISBN：9780202308197
