REMOVE

1. Berghaus
2. Justus Perthus
3. Kramer
4. Kaufmahn
5. Hanemann

WHAT

1. Atlas Map (2)
2. Classical (2)
3. World Atlas (2)
4. Timeline (1)

WHERE

1. Africa (1)
2. Europe (1)
3. Mediterranean (1)

WHO

1. Baker, E. (2)
2. Robert Wilkinson (2)
3. Wilkinson, Robert (2)
4. Bourne, E. (1)

WHEN

1. 1823 (2)
2. 1817 (1)
3. 1821 (1)