Gives a survey of the structures and chemistry of the organic materials which enter into the composition of objects found in museums and art galleries. Covers the fundamental chemistry of the bulk materials (wood, paper, natural fibres, skin) and also paint media, varnishes, adhesives, dyes. Contents: basic organic chemistry; analytical methods; oil and fats; natural waxes; bituminous materials; carbohydrates (sugars and polysaccharides); proteins; natural resins and lacquers; synthetic materials; dyestuffs and other coloures materials; fundamental aspects of deterioration analysis in practice. References.