(2) Michael Stevenson and Deon Viljoen (2002) South African Art 1850 – 2002, Johannesburg: The Goodman Gallery, illustrated in colour.

(3) Johans Borman and Warren Siebrits (2001) Aspects of South African Art. 1903 - 1999 (catalogue no. 1), Johans Borman and Warren Siebrits: Johannesburg, hard cover, illustrated in colour and black and white.

(4) Matthys Bokhorst (1969) Uitstalling van Sanlam-kunsversameling, Sanlam Art Collection, illustrated in black and white, text in English and Afrikaans.

(5) Johans Borman and Zach Taljaard (2011) Aspects of Abstraction, Cape Town: Johans Borman Fine Art, illustrated in colour.

(6) Muller Ballot (2007) Abstract South African Art from the Isolation Years: Volume 1, Stellenbosch: SMAC, soft cover, illustrated in colour, text in English, introduction in English and Afrikaans.