You can find very extensive Information on paintings conservation in the AIC wiki (http://www.conservation-wiki.com/wiki/Paintings#Framing.2FBacking.2FGlaz...). Here is the table of Contents:
1 Varnishes and Surface Coatings (1998)
Introduction
I. Factors to Consider when Choosing a Varnish
II. Traditional Artists' Varnishes
III. The History of Synthetic Resin Varnishes
IV. Low Molecular Weight Varnishes
V. Polymeric Varnishes
VI. Wax as a Surface Coating
VII. Additives
VIII. Equipment
IX. General Application Techniques
X. Special Considerations
Appendix I: Solubility Test Description & Solvents Used in Solubility Tests
Appendix II: Directory of Vendors
Appendix III: Cumulative Bibliography
Appendix IV: Subject Index
2 Stretchers and Strainers
Acknowledgements
I. Introduction
II. Factors to Consider
III. Materials and Equipment
IV. Treatment Variations
Appendix I: Glossary
Appendix II: Cumulative Bibliography
Appendix III: Subject Index
3 Inpainting
An original copy [CD] of the 2011 Painting Conservation Catalog, Volume III: Inpainting is available for purchase at AIC's Online Store.
4 Filling
5 Paint Layer
Cupping
Craquelure
Cleavage
Paint Consolidation
Facing
Relaxation of Distorted Paint
6 Surface Issues
White Surface Hazes
Overpaint
Varnish
Stain Removal
Reforming
Surface Cleaning of Traditional Varnished Paintings
7 Fabric Supports: Structural Damage and Deformation Treatment
Tear Mending
Lining
Strip Lining
Attaching to solid supports
8 Wood Panel Supports
Cradles and Battens
Attached Supports
Unattached Supports
Moisture Barriers
Fumigation
Join Repair
9 Transfers
Wooden Panels
Canvas
Historic Transfers
10 Special Problems of Modern Paintings
Raw Canvas
11 Environmental Control
Pests
Mold and Mildew
Pollution and Climate
12 Other Painting Supports
Glass Supports for Paintings
Stone Supports for Paintings
Paper Supports for Paintings
13 Analytical Techniques
Introduction
Technical Examination
Instrumental Analysis
14 Framing/Backing/Glazing/Mounting
Backing Boards
15 Documentation
Examination Reports
Treatment Reports
Visual Records
16 Wall Paintings
17 Treatment Materials
Gels, Thickeners, and Viscosity Modifiers