License, verbatimCC-BY
ColBase (National Institutes for Cultural Heritage, Japan): image published under Creative Commons Attribution 4.0 (CC BY 4.0), stated as schema:license on the item's own access record in Japan Search. Attribution required; terms: https://colbase.nich.go.jp/pages/term?locale=en
江蘇省東岸洋子江・福建泉州府囲頭及深滬二澳《江蘇省東岸洋子江福建泉州府囲頭及深滬図》. . ColBase (National Museums of Japan).