Abbado, Claudio 16/13
Abbazia  14/9
Abe, Kei 3/13
Adam, Adolphe 11/13
Adler, Charles F. 9/16
—, Guido 3/3, 4/15, 4/16, 6/4, 7/5, 8/16, 9/3, 10/11, 10/12, 11/6, 16/11, 17/12, 20/5
Adorno, Theodor W. 1/11, 2/8, 9/11, 9/12, 10/7, 11/15, 17/12, 21/13, 24/11, 25/12
Agassarjan, Loretta 2/10
Aix-en-Provence  2/8
Alban Berg-Stiftung  7/13, 18/6
Albrecht, Otto E. 4/14, 4/15, 13/3, 22/8
Aldeburgh  25/16
—, Britten-Pears-Library 15/6
Aldeburgh Foundation  25/16
Aldrich, Richard 21/15
Allgemeine Musikgesellschaft Basel  14/13
Allgemeiner Deutscher Musikverein  14/4, 14/13, 14/14, 24/6
Altmann, Peter 16/3
Altschluderbach  9/10
America  3/14, 7/13, 21/14, 22/7, 22/13, 24/15, 25/5
—, USA Radiostation KPFK-FM 9/8
American Musicological Society  4/3, 22/8
Amsterdam  6/3, 8/11, 13/13, 15/11, 16/12, 17/15, 19/9, 20/10, 20/11, 22/7, 25/8, 25/10
—, Concertgebouworkest 4/15, 17/15, 20/10
—, Mengelberg-Chor 16/3
—, Rijksmuseum 20/10
—, Willem Mengelberg-Archiv 6/3
Andraschke, Peter 1/19, 2/6, 2/9, 3/16, 5/19, 6/8, 8/15, 16/9, 16/16
Andreae, Marc 16/16
—, Volkmar 17/13, 17/14
Ansermet, Ernest 2/11
Anton Bruckner Institute Linz (ABIL)  22/14
Antonicek, Theophil 9/13
Antwerpen  24/16, 25/8, 25/9, 25/10
—, Königlich Flämisches Musikkonservatorium 25/9, 25/10
—, Konzerthalle 25/8
Araiz, Oscar 4/11, 4/13
Arima, Daigoro 3/13
Arnheim  24/7
Asano, Kenroku 3/13
Association Gustav Mahler France  11/15, 13/8, 14/13, 15/6
Athen  24/4
Attersee (Steinbach)  7/6
Auber, Daniel-François-Esprit 6/7
Auspitz, Rudolf 11/5
Austria  7/16, 8/11, 8/12, 9/10, 9/13, 9/16, 13/8, 13/9, 24/5
—, Ministry for Education and Art 20/7
—, Ministry for Foreign Affairs 7/16