'Dialogue du Salon de Mai', L'Oeil, no. 66, June 1960, pp.26-36, 84, cf. p.36, p.27 (ill. installation at Salon de Mai).

Pierre Restany, César, New York: Harry N. Abrams Inc., 1976, pp.102-3.

Rainier Michael Mason, 'César: Une Compression Historique', Geneva, vol. 25, 1977, pp.279-86, p.279 (ill.).

Elwyn Lynn, 'European Collection', Art and Australia, vol. 20, no. 1, Spring 1982, pp.71-7, p.71 (ill., with title as Compression No. 17).