Schlagwörter
19th century
2
Arts & humanities
2
Arts & sciences humaines
2
Belgium
Earth sciences & physical geography
2
Histoire
2
History
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2
Physical
2
Physique
2
Sciences de la terre & géographie physique
2
chemical
2
chimie
2
cristalography
2
geological map
2
geology
2
mathematical & earth Sciences
2
mathématiques & sciences de la terre
2
mineralogy
2
palaeobotany
2
palaeontology
2