Read (1958-60), pl. 20 (as 'Maquette for Two Winged Figures'); Louisiana Revy, 1/2 (Nov. 1960), 15; Dennis Farr, British Sculpture since 1945 (Tate Gallery, 1965), pl. 7; A. M.Hammacher, Modern English Sculpture (1967), 15 (as 'Maquette for Two Winged Figures'); Koster-Levine (1988), 48 (in colour)