REMOVE

1. Data Visualization
2. Statistical
3. France
4. German Empire

WHAT

1. Atlas Map (2)
2. Commerce; Economics (2)
3. Diagram (2)
4. Population (2)

WHERE

1. Germany (2)
2. Great Britain (2)

WHO

1. Bibliographisches Institu … (2)
2. Neurath, Otto, 1882-1945 (2)

WHEN

1. 1928 (2)
2. 1930 (2)