REMOVE

1. Coasts
2. Manuscripts
3. Sea Charts
4. China
5. Guangdong Sheng (China)
6. Pearl River Estuary (China) …
7. Macao (China)

WHAT

1. Waterways (1)

WHERE

1. Guangdong Sheng (China) (1)
2. Macao (China) (1)
3. Pearl River Estuary (Chin … (1)

WHO

1. Liébaut, 16---17--, cato … (1)

WHEN

1. 1736 (1)