REMOVE

1. Data Visualization
2. Transportation
3. England

WHAT

1. Commerce; Economics (1)
2. National Atlas (2)
3. Pictorial map (3)
4. Railroad (1)
5. Separate Map (3)
6. Statistical Diagram (2)
7. Transit (2)

WHERE

1. London (England) (3)
2. Belgium (1)
3. Europe (1)
4. Hungary (1)

WHO

1. Gill, Leslie MacDonald, 1 … (3)
2. Cheysson, Émile (2)
3. Dunstable & Watford (2)
4. Imprimie Nationale (2)
5. Ministere des Travaux Pub … (2)

WHEN

1. 1928 (2)
2. 1892 (1)
3. 1893 (1)
4. 1894 (1)
5. 1978 (1)