• 27 June, 2005: added entry for UK pressing of Francois Bayle The Bird The Singer; Lines and Points; Archipelago; Uninhabitable Spaces
• 7 July, 2004: added entry for UK pressing of Pierre Henry Variations for a Door and a Sigh
• 9 May, 2004: added entry for UK pressing of Ivo Malec Sigma; Cantate pour Elle; Dahovi; Miniatures pour Lewis Carroll.
• 24 February, 2004: added entry for Spanish pressing of Milan Stibilj Eperiver de ta Faiblesse;... courtesy of David Puertas.
• 1 November, 2003: added entry for variation of French 836 992 DSY: Michel Puig Provisoires agglomérats. Valentin Silvestrov Mysteres. Kazimierz Serocki Continuum. courtesy of Guillaume Le Tallec.
• 9 September, 2003: added entry for UK pressing of Concert Collectif.
• 9 January, 2002: added entry for grey design of Henry's Variations pour un porte et un soupir.
• 25 November 2001: added Japanese pressing for Francis Miroglio Extensions 2. commented entry for Andre Boucourechliev Archipel 4 pour piano en quatre versions.
• 7 October 2001: added entry for metallic Xenakis "Persepolis," white backed Henry "Mise en musique du Corticalart."
• 25 September, 2001: added entries for some silver-backed versions.
• 28 May, 2001: added entry for green label P. Henry "Mise en musique du Corticalart."
• 27 March, 2001: added entry for strange EP 6834 001 2.
• 24 March, 2001: added image for 836.897
• 13 March, 2001: added new pressing entry for 6521 031.
• 5 February 2001: added new pressing entry for 836.897.
• 17 December 2000: added many new images courtesy of Michel van Meersbergen.
• 6 December 2000: added entry for green label, metallic design for Elisabeth Chojnacka.
• 10 July 2000: added entry for green label, white back P. Henry "Le Voyage."
• 11 May 2000: removed mystery OCLC entries for P. Henry "Apocalypse de Jean" versions. Added entry for P. Henry "Apocalypse de Jean v. 1"
• 2 December 1999: added entry for odd cover version of P. Henry "Apocalypse de Jean v. II" provided by Donna Blicharz.
• 3 November, 1999: added information provided by Eric Lanzillotta regarding English market issue of 836.895. modified entries in an attempt to make pressing info more readable.
• 13 October, 1999: added information provided by Stephen Ellis regarding 6521 020 and 6526 001. also some further mention of Limelight issues.
• 5 July, 1999: added photos provided by Shigeo Kida: 2 Japanese Xenakis LPs, Bernard Parmegiani "Chronos," and Cohen-Solal; Canton; Reibel; Ferreyra.