Book: Richman, Irwin. 2001 Pennsylvania German Arts: More than Hearts, Parrots, and Tulips.
• View of redware roof-tiled bake oven roof: p. 97, noting rain channels made by ziegler's (tile-maker's) fingers. Several so-tiled 18th C. roofs survive in Oley Valley of Berks County.Catalogue: Garvan, Beatrice B. & Hummel, Charles F. 1982 The Pennsylvania Germans: a celebration of their arts, 1683-1850. An exhibition organized by the Philadelphia Museum of Art and the Henry Francis du Pont Winterthur Museum.
• Redware tiles shown in plate 59.Article: Roeber, Catharine Christie Dann. 2011 Seeing Red: Southeastern Pennsylvania Earthenware from Winterthur. Brandywine River Museum Antiques Show (catalogue). pp. 5-11.
• Published on p. 10, fig. 13.