Les Oiseaux

Mr & Mrs Peter A. Rübel, New York (by 1959) 

Dalerie Nova Spectra, Den Haag (by 1985) 

Galleria Bellarte, Turku (acquired from the above)

Acquired from the above by the present owner

Minneapolis, Walker Art Center, School of Paris 1959: The Internationals, 1959, no. 6, p. 48

Wilhelmshaven, Kunsthalle Wilhelmshaven, Dreissig Jahre Karel Appel, 1980, no. 19a, n.p., illustrated (dated 1954) 

São Paulo, Museu de Arte; Rio de Janeiro, Museu de Arte Moderna; Lisbon, Fundação Calouste Gulbenkian; Madrid, Biblioteca Nacional, Appel, 1981, no. 17, p. 12, illustrated in colour

Florence, Palazzo Medici Riccardi, Karel Appel, 1985, no. 16, p. 45, illustrated

Michel Ragon, Karel Appel, Schilderijen 1937 – 1957, Paris, 1988, no. 770, p. 472, illustrated in colour