Sketch 1 Štěpán Zavřel Original bibliographical reference Der letze Baum, by Štěpán Zavřel Bohem Press, Zurich, 1977 Other editions L'ultimo albero, text and illustrations by Štěpán Zavřel, translated by Olivo Bin, Bohem Press Italia, 2020 Technique watercolor Measures 38,5 x 55,5 cm Year 1977