On the occurrence of red dyestuffs in textile materials from the period 1450-1600 : origin, chemical constitution, identification. Info Type: Publication Meeting: ICOM Comittee for Conservation (ICOM-CC). Plenary meeting, Madrid, Spain, 1972 Place, publisher, year: Amsterdam : Central Research Laboratory for Objects of Art and Science, 1972 Notes: Incl. bibl. Non published. Collation: 35 p. ; illus. ; 30 cm Author: Hofenk De Graaf, Judith H. ; Roelofs, Wilma G. Th. Year: 1972. Serial type: Livre - Monographie - Document Description: examen scientifique; textiles.