Literature: Spero and Sandon, Worcester Porcelain - The Zorensky Collection; Edwards and Hampson, White Salt-Glazed Stoneware; Ulla Stafford, Custard Cups; Excavations in Southwark 1973-76 and Lambeth 1973-79; John Bedford, Talking About Teapots; and 31 other books, pamphlets and catalogues on pottery and porcelain. (36)