REMOVE

1. Russia
2. Bar, I.C.
3. Berghaus, H.
4. Hubbe, H.

WHAT

1. Atlas Map (3)
2. World Atlas (3)

WHERE

1. Baltic Countries (3)
2. Austria (1)
3. Eastern-Central Europe (1)
4. Poland (1)

WHO

1. Justus Perthus (3)
2. Reichard, C.G. (3)

WHEN

1. 1834 (2)
2. 1837 (2)
3. 1833 (1)