Colin Hayes

• A practical guide to landscape painting
• Best Practice Guide on the Control of Iron and Manganese in Water Supply
• Best practice guide on the control of lead in drinking water
• Buhler, Robert
• Grammar of drawing for artists and designers
• Painting and Drawing
• Renoir
• The Complete Guide to Painting and Drawing
• The Complete Guide to Painting and Drawing Techniques and Materials
• THE TECHNIQUE OF WATER-COLOR PAINTING
• Best Practice Guide on Managing Metals and Related Substances in Small Water Supplies
• Best Practice Guide on the Control of Lead in Drinking Water