REMOVE

1. Railroad
2. Asia Minor
3. Iran
4. Bulgaria

WHAT

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

WHERE

1. Croatia (1)
2. Italy (1)
3. Slovenia (1)
4. Switzerland (1)

WHO

1. Instituto Geografico di A … (1)
2. Instituto Geographico di … (1)

WHEN

1. 1952 (1)