Birgit Houben, "'Vous estez les premiers vassaux que j'aye et que j'aime le plus': Burgundians in the Brussels courts of the widowed Isabella and of the Cardinal-Infant don Ferdinand (1621-1641)" in: A Constellation of Courts. The Courts and Households of Habsburg Europe, 1555–1665, eds. René Vermeir, Dries Raeymaekers en José Eloy Hortal Muñoz, 2021, p. 232. DOI:10.2307/j.ctt14jxsxk