Your search for "cobalt yellow (aureolin) michael harding" revealed the following:

ARTIST OIL PAINT - Michael Harding - 40ml Tube - Aureolin (series 5)

ARTIST OIL PAINT - Michael Harding - 40ml Tube - Hansa Yellow Medium (series 3)

ARTIST OIL PAINT - Michael Harding - 40ml Tube - Naples Yellow (series 2)

ARTIST OIL PAINT - Michael Harding - 40ml Tube - Indian Yellow (series 2)

ARTIST OIL PAINT - Michael Harding - 40ml Tube - Cadmium Golden Yellow (series 4)

ARTISTS WATERCOLOUR TUBE- 15ml - MICHAEL HARDING - Series 1 - Warm Light Yellow

ARTIST OIL PAINT - Michael Harding - 40ml Tube - Transparent Oxide Yellow (series 2)

ARTIST OIL PAINT - Michael Harding - 40ml Tube - Bright Yellow Lake (series 1)

ARTIST OIL PAINT - Michael Harding - 40ml Tube - Yellow Ochre (series 1)

ARTIST OIL PAINT - Michael Harding - 40ml Tube - Cadmium Yellow (series 4)

ARTIST OIL PAINT - Michael Harding - 40ml Tube - French Yellow Ochre (series 1)

ARTIST OIL PAINT - Michael Harding - 40ml Tube - Lemon Yellow (series 1)

ARTISTS WATERCOLOUR TUBE- 15ml - MICHAEL HARDING - Series 1 - French Yellow Ochre

ARTISTS WATERCOLOUR TUBE- 15ml - MICHAEL HARDING - Series 4 - Cadmium Golden Yellow

ARTISTS WATERCOLOUR TUBE- 15ml - MICHAEL HARDING - Series 1 - Transparent Oxide Yellow

ARTISTS WATERCOLOUR TUBE- 15ml - MICHAEL HARDING - Series 2 - Naples Yellow

ARTISTS WATERCOLOUR TUBE- 15ml - MICHAEL HARDING - Series 2 - Indian Yellow

ARTISTS WATERCOLOUR TUBE- 15ml - MICHAEL HARDING - Series 1 - Yellow Ochre

ARTIST OIL PAINT - Michael Harding - 40ml Tube - Cadmium Yellow Deep (series 4)

ARTISTS WATERCOLOUR TUBE- 15ml - MICHAEL HARDING - Series 1 - Warm Yellow