Article: Schmiegel, Karol A. 1975 Pastel Portraits in the Winterthur Museum. Antiques. CVII (2): 323-331.
• Published on p. 323.Book: Churchill, W. A. 1935 Watermarks in Paper in Holland, England, France, etc. in the XVII and XVIII Centuries and the Interconnection.
• contains images of Villedary watermark, along with information on this paper maker.Book: Voorn, Hendrick. 1960 De Papiermolens in de Provincie Nord Holland. I.
• Villedary information on pages 132 and 153