Henry Wilhelm has made his book on conservation of colour photographs
available for free on the internet:
http://www.wilhelm-research.com/
This is a fabulous resource for anyone with an interest in photographic
materials or, with colour photos in their collections.
The hard copy of his book is still available from Amazon.com and Light
Impressions.
Iona McCraith
AAO Preservation Consultant
Bethany, Ontario
Tel: (705) 277-1309
Fax: (705) 277-2091
e-mail: [log in to unmask]