REMOVE

1. Okinawa-ken (Japan)
2. Okinawa Island (Japan)

WHAT

1. Atlas Map (1)
2. World Atlas (1)

WHERE

1. China (1)
2. Ryukyu Islands (Japan) (1)
3. Taiwan (1)

WHO

1. Delavault, A. (1)
2. Hassel, S. G. H., 1779-18 … (1)
3. Ode, Henri (1)
4. Ph. Vandermaelen (1)
5. Vandermaelen, Philippe, 1 … (1)

WHEN

1. 1827 (1)