20: About György Ligeti 30: The Exhibition 40: György Ligeti - Life and work 100: Dreams and Fantasies 112: György Ligeti, Három Weöres-dal [Three Weöres Songs] for voice and piano (1946–47) 114: György Ligeti, Drei Phantasien nach Friedrich Hölderlin for 16-part mixed a cappella choir (1982) 119: György Ligeti, String Quartet No. 1 “Métamorphoses nocturnes” (1953–54) 121: Cover letter to John S. Weissmann 200: A Web of Voices 211: György Ligeti, Apparitions for large orchestra (1958–59) 217: György Ligeti, Atmosphères for large orchestra (1961) 218: Ligeti, Skizze zu Atmosphères (1961) 300: Electronic Music and its Aftermath 312: György Ligeti, Artikulation (1958) 314: Ligeti, Pièce électronique Nr. 3 (1957–58) 316: György Ligeti, Volumina for organ (1961–62/1966) 400: Invented Languages – Imaginary Stories 413: György Ligeti, Aventures for three singers and seven instrumentalists (1962) 414: György Ligeti, Nouvelles Aventures for three singers and seven instrumentalists (1962–65) 420: György Ligeti, “A Long, Sad Tale,” Nonsense Madrigals for six male voices (1988–93) 421: György Ligeti, «Hetvenkedve» (1993?), Lautgedicht, aufbewahrt im Skizzenbuch Nr. 1 (1990–2003) 422: Sándor Weöres, Kuli 423: Ligeti, "Kuli" and "Szajkó" 426: Two poems by Sándor Weöres 427: György Ligeti, Letter to Sándor Weöres, 8 November 1972