REMOVE

1. Data Visualization
2. Bourne, E.
3. Wilkinson, Robert
4. Baker, E.

WHAT

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

WHERE

1. Eastern Hemisphere (1)
2. Europe (1)
3. Mediterranean (1)

WHO

1. Robert Wilkinson (2)

WHEN

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