REMOVE

1. Data Visualization
2. Ottoman Empire

WHAT

1. Historical (2)
2. Ottoman Mapping (2)
3. Case Map (1)
4. Diagram (1)

WHERE

1. Egypt (1)
2. Iraq (1)
3. Lebanon (1)
4. Syria (1)

WHO

1. Bellizard, Dufour (1)
2. Denoyer-Geppert Company (1)
3. Heck, G. (1)
4. Hellert, J. J. (1)
5. News Map of the Week, Inc … (1)

WHEN

1. 1844 (1)
2. 1893 (1)
3. 1950 (1)