REMOVE

1. Climate
2. Atlas Map
3. World Atlas
4. Justus Perthes

WHAT

1. Data Visualization (1)
2. Mountains; Rivers (1)

WHERE

1. World (6)
2. Europe (4)
3. Atlantic (1)

WHO

1. Berghaus, Heinrich (10)
2. Bar, J.C. (3)
3. Schelle, F. (3)
4. Edler, E.G. (2)

WHEN

1. 1849 (10)
2. 1839 (2)
3. 1837 (1)
4. 1838 (1)
5. 1841 (1)