A-Z of Singers (4 CDs & Buch in engl.Sprache) - Mehr als 300 Biographien - Arien & Liedern mit Marian Anderson, Ettore Bastianini, Mattia Battistini, Erna Berger, Jussi Björling, Maria Callas, Maria Caniglia, Enrico Caruso, Feodor Schaljapin, Boris Christoff, Gina Cigna, Toti dal Monte, Suzanne Danco, Lisa della Casa, Mario del Monaco, Giuseppe di Stefano, Mafalda Favero, Kathleen Ferrier, Dietrich Fischer-Dieskau, Kirsten Flagstad, Gottlob Frick, Amelita Galli-Curci, Mary Garden, Benjamino Gigli, Tito Gobbi, Hilde Güden, Hans Hotter, Sena Jurinac, Erich Kunz, Margarete Klose, Giacomo Lauri-Volpi, Lotte Lehmann, Frida Leider, Victoria de Los Angeles, John McCormack, Giovanni Martinelli, Nellie Melba, Robert Merrill, Zinka Milanov, Martha Mödl, Birgit Nilsson, Magda Olivero, Lina Pagliughi, Julius Patzak, Aureliano Pertile, Lily Pons, Rosa Ponselle, Elisabeth Rethberg, Mado Robin, Helge Rosvaenge, Leonie Rysanek, Bidu Sayao, Tito Schipa, Elisabeth Schumann, Elisabeth Schwarzkopf, Irmgard Seefried, Giulietta Simionato, Leopold Simoneau, Mariano Stabile, Teresa Stich-Randall, Ebe Stignani, Riccardo Stracciari, Conchita Supervia, Richard Tauber, Renata Tebaldi, Luisa Tetrazzini, Maggie Teyte, Georges Thill, Lawrence Tibbett, Richard Tucker, Hermann Uhde, Astrid Varnay, Ljuba Welitsch, Orchestra del Maggio Musicale Fiorentino, RCA Victor Symphony Orchestra, La Scala Orchestra, Philharmonia Orchestra, London Symphony Orchestra, Wiener Philharmoniker, Alberto Erede, Thomas Beecham, Lorenzo Molajoli, Malcolm Sargent, Wilhelm Furtwängler u.v.a.