pencil, paper, 20,4 × 16,6 cm, sign. RD Lohbrück 8/8 1943 Lit .: Bohumir Matal. Cat. Brno House of Arts 1998–99, pp. 43–54. L. Kundera, J. Malina, K. Svobodova: Bohumir Matal. Brno 2006, pp. 32–39. Jan Štursa Group 42, Bohumír Matal