Spongeware 1835-1935: Makers, Marks, and Patterns (A Schiffer Book for Collectors)
Henry Kelly, from Glasgow, Scotland, and Arnold and Dorothy Kowalsky from New York, are all experienced writers and collectors. Henry is the founder of the Scottish Ceramic Society. The Kowalskys are also authors of **Encyclopedia of Marks on American, English and European Earthenware, Ironstone, and Stoneware, 1780-1980.