1.
De geologie van het eiland St. Eustatius, eene bijdrage tot de kennis der Nederlandsche koloniën.
New Holland quadrangle : geology and mineral resources /
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A history of the state of Delaware, from its first settlement until the present time, containing a full account of the first Dutch and Swedish settlements : with a description of i...
A history of the state of Delaware : from its first settlement until the present time, containing a full account of the first Dutch and Swedish settlements, with a description of i...
Guide de la carte géologique du Grand-duché de Luxembourg /
The geology of Belgium and the French Ardennes.
Société géologique de Belgique.
Annales de la Société géologique de Belgique
Zur geologie und oberflächengestaltung von Nordost-Katanga (Belgisch-Kongo)
Livret guide des excursions en Belgique.
