Bibliography

Pasquet: L'Evolution Du System Postal: La Province Chinoise Du Yunnan A L'\`Epoque Qing (1644-1911)

Collège Du France, Institute Des Hautes E'tudes Chinoises

1986, ISBN 2857570384

Related Reading

Caravans

Horse caravans were once the main transport in Yunnan, not only providing a regional transport system, but also carrying culture and power.
林: 云南古代货币文化发展的特点
Ma: 茶马古道上远逝的铃声
Pasquet: L'Evolution Du System Postal: La Province Chinoise Du Yunnan A L'\`Epoque Qing (1644-1911)
云南省交通运输厅: 云南古道·古桥·古驿站