The Complete Opera Book and Mozart's "Il Seraglio", occupying pp. 851–901. After 1929 it was enlarged to include Verdi's "Simone Boccanegra", Boito's "Nerone", Alban Berg's "Wozzeck", Puccini's "Turandot", Rossini's "La Cenerentola", Mozart's "Così fan tutte", Jaromir Weinberger's "Schwanda the Bagpiper" and Vaughan Williams's "Hugh the Drover" (pp. 901–930). The English 1935 imprint included Bonavia's notes on Rossini's "L'Italiana in Algeri", Rimsky-Korsakov's "Snegourochka" and two operas of Ildebrando Pizzetti: parts of the former supplement had by now been incorporated into the main text, and the overall page-count before index was now 945 pages. While no amount of enlargement could possibly have made the work literally
Maria Stader "The Abduction from the Seraglio", two versions (1954 and 1960) of 'Exsultate, jubilate' and the Great Mass, as well as Verdi's Messa da Requiem. She won, the Geneva International Music Competition in 1939, but although she "seemed poised for major stardom... her career was delayed by the outbreak of World War II," according to "Opera News". Later in her career, Stader acquired a reputation as an outstanding Bach interpreter, especially with Karl Richter and Ferenc Fricsay. She recorded the "Requiem" by Antonín Dvořák with Karel Ančerl, and Beethoven's opera "Fidelio" (as Marzelline) with Hans Knappertsbusch. Stader was highly praised for