In the Catalogue of the Tibetan Collection and Other Lamaist Material in The Newark Museum, vol. IV, Newark, New Jersey, 1961, subsection 'Non-Lamaist Textiles Imported to Tibet', p. 18, it is mentioned that, "during the early twentieth century when Chinese silks began to deteriorate in quality and color as a result of mechanical processes and cheap chemical dyes, the silks received from Russia were most sought after by Tibetans."