Artist Quotes - Page 174
Denise Levertov (1981). “Light Up the Cave”, p.39, New Directions Publishing
David Hockney (1977). “David Hockney”, Harry N Abrams Inc
Peter Webb, David Hockney (1988). “Portrait of David Hockney”, London : Chatto & Windus
David W. Galenson (2011). “Old Masters and Young Geniuses: The Two Life Cycles of Artistic Creativity”, p.2, Princeton University Press
David W. Galenson (2011). “Old Masters and Young Geniuses: The Two Life Cycles of Artistic Creativity”, p.4, Princeton University Press