REMOVE

1. Borneo -- Maps
2. Sea Charts
3. Manuscripts
4. China -- Maps
5. Vietnam
6. Paracel Islands

WHAT

1. Philippines -- Maps (1)

WHERE

1. Borneo (1)
2. Cambodia (1)
3. Celebes Sea (1)
4. China (1)
5. China Sea (1)

More 

WHO

1. Blaeu, Joan, 1596-1673, c … (1)

WHEN

1. 1666 (1)