Château d'Oulhaye, Rue Campagne d'Oulhaye, Warfusée (Saint-Georges-sur-Meuse)
Unknown author<span style="display: none;">Unknown author</span>
Ghent University Library  <a rel="nofollow" class="external free" href="https://lib.ugent.be/catalog/rug01">https://lib.ugent.be/catalog/rug01</a>