1. John Berger, About looking, Bloomsbury, 2009
2. Siri Husvedt, Mysteries of the Rectangle, Princeton Architectural Press, 2005
3. Rudolf Arnheim, Art and Seeing, Walter de Gruyter, 2000
4. Amy Herman, Visual Intelligence, Houghton Mifflin Harcourt, 2016
5. Alain de Botton, John Armstrong, Art as Therapy, Phaidon Press Limited, 2013

Esko Kilpi, Work as forming the future, work as art, 2018