SAMUEL BAK à MONTREUX 1991 Montreux
Samuel Bak - Gallery Exhibition 1991 Fribourg
La diagonale du fou, le chaos, le recommencement Riccardo Bonferroni 1991, ill.
Chess as Metaphor . In the Art of SAMUEL BAK Jean Louis Cornuz, Samuel Bak 1991 Boston, MA / Montreu, Nr. 44., ill.
Samuel Bak, un monde restauré Jacqueline Reinhart 1991 Lausanne, p. 13, ill.