REMOVE

1. Idaho
2. World
3. 1904
4. 1860

WHAT

1. Statistical Table (1)
2. World Atlas (1)

WHERE

1. Belgium (1)
2. Low Countries (1)
3. Netherlands (1)
4. Switzerland (1)

WHO

1. Hassel, S. G. H., 1779-18 … (1)
2. Ph. Vandermaelen (1)
3. Vandermaelen, Philippe, 1 … (1)

WHEN

1. 1827 (1)