REMOVE

1. Industry
2. 1930

WHAT

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

WHERE

1. Budapest (Hungary) (1)
2. Hungary (1)
3. Nizhniy Novgorod REgion, … (1)
4. Russia (1)

WHO

1. Budapest (Hungary). Fövár … (2)
2. Budapest Székesfőváros St … (2)
3. Illyefalvi, Lajos I., 188 … (2)
4. Karbovets, N. (1)
5. Lvov, P. (1)
6. Nizhniy Novgorod branch o … (1)

WHEN

1. 1940 (2)