REMOVE

1. Data Visualization
2. Bern (Switzerland)
3. Imhof, Eduard, 1895-1986

WHAT

1. Atlas Map (2)
2. Historical (2)
3. National Atlas (2)
4. Commerce; Economics (1)

WHERE

1. Switzerland (2)

WHO

1. Eidgenössische Landestopo … (2)
2. Verlag der Eidgenössisch … (2)
3. Barbier, J. (1)
4. Grosjean, Georges (1)

WHEN

1. 1978 (2)
2. 1970 (1)
3. 1973 (1)