Search Results       Your search for [subject]Clay -- Philippines -- Tiwi, Albay returned 1 record.           A preliminary survey of Tiwi clay for ceramic manufacture [microform]. by Claudio, Simeon C.; Quezon City: Photoduplication Service, University of the Philippines Library, 1974. Subject: Clay -- Philippines -- Tiwi, Albay; Ceramic materials.          Add to Book Cart Relevance: 26.76%