silk road in the 6th-8th centuries 西海长云：6-8世纪的丝绸之路青海道：silk road in the 6th-8th centuries 并列题名：Warfare in the 16th to 19th centuries Warfare in the 16th to 19th centuries Goa and Macao during the 16th-18th centuries the maritime silk road during the 13th-17th centuries stories of women in the 16th and 17th centuries Chinese export fans in the 18th-20th centuries Stories of women in the 16th and 17th centuries popular glass of the 19th & 20th centuries