Cadmium Red Light (37ml Watercolours) - The Michael Wilcox School of Color

Depicting the Colours in Trees & Bushes - The Michael Wilcox

Titanium White: Artists Watercolour paint - for the Discerning

Blue and Yellow Don't Make Green - School of Colour UK

The Watercolour Log

Winsor & Newton Winton Oil Colour Tube, 37 ml - Vermilion Hue

Winsor & Newton Winton Oil Colour Tube, 37 ml - Titanium White

Blue and Yellow Don't Make Green - The Michael Wilcox School of Color

Mini Course: Depicting the Colours in Portraits - School of Colour

Depicting the Colours in Flowers - School of Colour Europe