Books, Four International Pottery Titles - Patricia May & Margaret Tuckson, The Traditional Pottery of Papua New Guinea, Bay Books, sydney 1982. - Spencer Gill & Jerry Jacka, Pottery Treasures, Gacp Co, Portland 2000. - Irwin & Emily Whitaker, A Potter's Mexico, Albuquerque 1978. - Carlos Espejel, Mexican Folk Ceramics, Barcelona 1975.