REMOVE

1. Diagram
2. 1925

WHAT

1. Commerce; Economics (2)
2. Data Visualization (2)
3. Statistical (2)
4. Statistical Atlas (2)

WHERE

1. Budapest (Hungary) (1)
2. German Empire (1)
3. Germany (1)

WHO

1. Bibliographisches Institu … (1)
2. Budapest (Hungary). Fövár … (1)
3. Budapest Székesfőváros St … (1)
4. Illyefalvi, Lajos I., 188 … (1)
5. Neurath, Otto, 1882-1945 (1)

WHEN

1. 1930 (1)
2. 1937 (1)