Description of Tongzhou, which mentions that Tongzhou is located to the east of Hailing County, an administrative region established in Han Dynasty (206 BCE–220 CE). It also mentions the raids of the Chinese coastlines by Japanese pirates in 1554. “Yangzhou fu tu shuo” 揚州府圖說 (Illustrated Album of Yangzhou Prefecture) (https://lccn.loc.gov/2001708631), Chinese rare book collection, Asian Division.