MS in Middle High German on vellum, Austria or South Germany mid 15th c, polyphonic music in mensural notation on four 5-line staves, texts 1 and 2 by the same scribe.
3 MSS in Latin and Italian on paper, Germany, originally 1559, 31+101+69 pp (complete) by 3 copyists ca 1825, with some MS annotations and amendments, apparently for performance.
Boss in bronze gilt and blue colour studs, Ireland, 7th-9th c, 1 boss diameter 4,8 cm, height 0,5 cm with powerful ornate swirling motifs typical of Insular art
Boss in bronze with gilding gone, Ireland ca 750-850, 1 boss diameter 6 cm, height 2 cm, with quality Insular cruciform knotwork decoration with the Celtic Cross finials
MS in Danish-Norwegian on light blue paper, Grimstad 12 April 1850, 2 pp 22x14 and 13x11 cm, 12 + 7 lines in cursive script, autograph, signed twice.
MS in Russian and German on paper, Hamburg, Germany, 1973-1975, 1 bifolium, each page ruled with 18 staves, with an explanation of the colour codes, autograph, signed.
MS in German on paper, Köln, 1972-1975, 1 p 30x42 cm, graphic notation and electronic symbols, autograph, signed, written on the verso of proofs for Momente op 13 (Europe version 1972)
MS in German on paper, Köln, Germany, 1966-1967, 11 pp 30x22 cm and 21x15 cm up to 24 lines in cursive script and graphic notation, autograph, signed 5 times.
MS in English on paper, USA, 1961-1962, 1 p 8x13 cm, graphic notation of lines and dots, identified by Cage to be from Variations I or II, autograph, signed.