REMOVE

1. J. Arrivet
2. Adams, D. P.
3. 1764

WHAT

1. Atlas Map (1)
2. World Atlas (1)

WHERE

1. Chad (1)
2. Libya (1)
3. Sahara (1)

WHO

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

WHEN

1. 1827 (1)