Count of Holland Counties of the Holy Roman Empire H.G. Koenigsberger, "The Beginnings of the States General of the Netherlands," Parliaments, Estates and Representation (1988) 8#2 pp 101-114.
홀란트 백작 신성 로마 제국의 백국 H.G. Koenigsberger, "The Beginnings of the States General of the Netherlands," Parliaments, Estates and Representation (1988) 8#2 pp 101-114.