REMOVE

1. South China Sea
2. Vietnam -- coasts
3. Celebes Sea
4. Paracel Islands

WHAT

1. China -- Maps (1)
2. Manuscripts (1)
3. Sea Charts (1)

WHERE

1. Borneo -- coasts (1)
2. China (1)
3. Philippines (1)

WHO

1. Blaeu, Joan, 1596-1673, c … (1)

WHEN

1. 1668 (1)