Rebecca Shulman, New York (by 1972)
Doyle, New York, May 1, 1997, lot 79
Ruth O'Hara (acquired at the above sale)
Gerhard Strauss, Käthe Kollwitz, Dresden, 1950, p. 140 (illustrated)
Werner Schumann, Ein Herz schlagt fur die Mutter, Hannover, 1953, p. 95 (illustrated)
Herbert Bittner, Käthe Kollwitz Drawings, New York, 1959, no. 127, p. 33 (titled as Mutter mit Kindern; illustrated, n.p.)
Carl Zigrosser, Prints and Drawings of Käthe Kollwitz, New York, 1969, frontispiece (illustrated)
Otto Nagel, The Drawings of Käthe Kollwitz, New York, 1972, no. 1231, p. 440 (illustrated, p. 441)