REMOVE

1. Chart Map
2. Estonia
3. North Sea
4. 1817

WHAT

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

WHERE

1. Belgium (1)
2. Netherlands (1)

WHO

1. Bar, I.C. (1)
2. Berghaus, H. (1)
3. Hubbe, H. (1)
4. Justus Perthus (1)
5. Reichard, C.G. (1)

WHEN

1. 1831 (1)
2. 1837 (1)