1. H. G. Wiedemann, Paper Technology from Egyptian, Chinese, and Mayan Cultures, National Bureau of Standards Special Publication 1980, 580, N.B.S. Washington D.C. 20234.
2. Investigation of ancient and new Japanese papers
3. Thermal analysis of Codex Huamantla and other Mexican papers
4. S. Anso, T. Clark, The Passionate Art of Kitagava Utamaro, The British Museum Company Limited, London WC1 3QQB.
5. Raman spectroscopic library of natural and synthetic pigments (pre- ≈ 1850 AD)