Sanja Simper, Dr. Leo Henryk Sternbach's Childhood in Opatija (PDF), in Acta Medico-historica Adriatica, vol. 5, n. 1, Croatian Scientific Society for the History of Health Culture & Faculty of Medicine of the University of Rijeka, June 2007, pp. 91-104. URL consultato il 28 dicembre 2017.