REMOVE

1. Mining
2. Covers
3. David, T.W.E.
4. Frieser, A.

WHAT

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

WHERE

1. Austria (1)
2. Baltic Countries (1)
3. Eastern-Central Europeu. … (1)
4. Poland (1)
5. Russia (1)

WHO

1. Bar, J.C. (1)
2. Berghaus, H. (1)
3. Edler (1)
4. Justus Perthes (1)
5. Stieler, Adolf (1)

WHEN

1. 1850 (1)
2. 1851 (1)