Southern Song Dynasty (1127–1279)
Great source for information on the Song Dynasty; also a PBS special on the Song Era.
This short piece describes how Ningpo became the center of Chinese exports of porcelain, silks, and dyes.
Dramatic improvements in woodblock printing made maps such as this one possible.
This modern map shows Ningpo (the historical sea port) and Shanghai (the modern port).
View Printed Chinese Map in a larger map