REMOVE

1. World Atlas
2. Switzerland
3. Hasse
4. Michaelis, L.

WHAT

1. Atlas Map (6)

WHERE

1. Germany (4)
2. Netherlands (2)

WHO

1. Ausfeld, Johann Carl (6)
2. Bar, Johann Christoph (6)
3. Edler, E. (6)
4. Hubbe, Heinrich (6)

WHEN

1. 1833 (5)
2. 1834 (3)
3. 1820 (2)
4. 1821 (2)