„So long, farewell: Von Trapp daughter dies, aged 97”. New York Times. 30. prosinca 2010. Pristupljeno 2011-01-09. »Agathe von Trapp, whose film counterpart was 16-going-on-17 Liesl, who had her heart broken by Rolf, the post boy turned Hitler Youth member, died from heart failure at a hospice in the Baltimore suburb of Towson, her friend Mary Louise Kane said yesterday.«
