REMOVE

1. Switzerland
2. Italy
3. 1838

WHAT

1. World Atlas (4)
2. Atlas Map (3)
3. Roads (2)
4. Composite Map (1)

WHERE

1. Balkan Peninsula (2)
2. Alps (1)

WHO

1. Brue, Adrien Hubert, 1786 … (2)
2. C. Picquet (2)
3. Picquet, C. (2)
4. Andriveau-Goujon (1)
5. Andriveau-Goujon, J. (1)

WHEN

1. 1842 (2)
2. 1832 (1)