Proceedings of the Urushi Study Group
Brommelle, N. S. and Perry Smith, eds. Urushi: Proceedings of the Urushi Study Group, June 10-27, 1985, Tokyo. Marina del Rey: The Getty Conservation Institute, 1988.

Downloadable in 3 sections:

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Front Matter, History. Pages Cover-67. (78pp., 9MB)
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Conservation and Techniques. Pages 68-151. (83pp., 4.3MB)
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Science; Glossary. Pages 152-264. (107pp., 7.8MB)