Biblioteca Nacional Alemana
Biblioteca del Congreso de los EEUU
Biblioteca Nacional Francesa
Fuente consultada WWW, 04-05-2011
Información encontrada (Viennale; Vienna International Film Festival; the Viennale is Austria’s most important international film event, as well as one of the oldest and best-known festivals in the German-speaking world... Vienna's first film festival took place in 1960)