Beek, Wim van der Annemiek Groenhout | Grote Provincie Atlas Friesland 1:25000 | Koepplin, Dieter, introduction Francesco Clemente CVIII, Watercolours Adayar 1985. | McKay, John P.; Hill, Bennett D.; Buckler, John A History of Western Society: From the Renaissance to 1815. Vol. B. | Chile Insight Guide |