Literature
E. Barlach, Ein Selbsterzähltes Leben, Munich, 1948, p. 69 (another cast illustrated)
Les Beaux Arts, 'Femme Chantant', Brussels, 8 March 1935, p. 14 (another cast illustrated)
New York Times, Sunday 4 December, 1938
Exhibition Catalogue, Barlach/Kollwitz, organised by the Rembrandt van Rijn Art Foundation for South Africa, no. 11 (another cast illustrated)
F. Schult, Ernst Barlach, Das Plastische Werk, Hamburg, 1960, p. 191, no. 343 (another cast illustrated)
H. F. Reemtsma, Ernst Barlach Hans, Hamburg, 1964, p. 27, no. 53 (another cast illustrated)
C. D. Carls, Ernst Barlach, Das Plastische, Graphische und Dichterische Werk, Berlin, 1968, p. 88, no. 88 (another cast illustrated) earlier editions: 1931, p. 45; 1934, p. 49; and 1950, pl. 61
Exhibition Catalogue, Ernst Barlach/Käthe Kollwitz, Marlborough Fine Arts Ltd., London, Nov.-Dec. 1967, p. 37, no. 8 (another cast illustrated)
F. Fühmann (ed.), Ernst Barlach, das Wirkliche und Wahrhaftige, Wiesbaden, 1970, p. 158, no. 159 (another cast illustrated on the cover of the book)
Exhibition Catalogue, Ernst Barlach, Museum Villa Stuck, Munich, Dec. 1981-Feb. 1982, p. 53, no. 10 (another cast illustrated)
Exhibition Catalogue, Ernst Barlach, Werke, Meinungen, Wiener Künstlerhaus, Oct. 1984-Jan. 1985, p. 103, no. 37 (another cast illustrated)
