REMOVE

1. Manuscripts
2. China -- Maps
3. Borneo -- coasts
4. Vietnam -- coasts

WHAT

1. Sea Charts (1)

WHERE

1. Celebes Sea (1)
2. China (1)
3. Paracel Islands (1)
4. Philippines (1)
5. South China Sea (1)

WHO

1. Blaeu, Joan, 1596-1673, c … (1)

WHEN

1. 1668 (1)