REMOVE

1. Airways
2. Separate Map
3. Pictorial map
4. 1950

WHAT

1. Atlas Map (2)
2. World Atlas (2)
3. Physical (1)
4. Water (1)

WHERE

1. Italy (2)
2. Alps (1)
3. Switzerland (1)

WHO

1. Dussieux, L. (2)
2. Jacques Lecoffre et Comp. (2)
3. Marlier (2)
4. Racon, Simon et Comp. (2)

WHEN

1. 1846 (2)
2. 1856 (2)