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Youth with a Skull and a Tulip: Detail
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Vanitas Still Life
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Eléments pour l'identification des restes crâniens des poissons dulçaquicoles de Belgique et du Nord de la France. 2. Cypriniformes ; Contribution to the identification of skull re...
A skull; representing starving Germans who can be helped by
Skull with Cigarette
Self-portrait with an Allegorical Still Life
Still Life with a Skull and a Writing Quill
Biogéographie et écologie des crossopes (genre Neomys, Kaup 1889) ; Biogeography and ecology of the water shrews (genus Neomys) in Belgium and Luxemburg
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Portrait of a Man holding a Skull