By Krehbiel, Henry Edward.
Garden City, N.Y. Garden City Publishing Co. 1916 .
345 p.

By Sanborn, Pitts.
Garden City, N.Y. Garden City publishing co., inc. 1942 .
1 p. 1., v-xxii, 396 p. , Portraits on lining-papers. | "A brief sketch of the history of the Metropolitan opera house, by Pitts Sanborn": p. xiii-xxii. 23 1/2 cm..

By Howard, John Tasker.
New York Grosset & Dunlap 1948 .
xxvii, 488 p. , The stories of 205 operas.

By Melitz, Leo Leop.
Garden City, N.Y. Garden City Publishing 1911 .
xvii, 572 p.

By Newman, Ernest.
Garden City, N.Y. Garden City Books 1930 .
889 p.

By Sullivan, Arthur Seymour.
New York The Modern Library 1938 .
ix, 711 p.

By Wagner, Richard.
New York Crown Publishers 1926 .
vi, 470 p. , Musical excerpts in piano-vocal score.

New York Simon and Schuster 1968 .
475 p. , First published in 1912. 29 cm..

By Moore, Frank Ledlie..
New York Crowell 1961 .
683 p. , "Recordings of complete operas": p. 654-662. 24 cm..

By Rivera, Graciela.
[New Jersey? Casa Sinc?, s. d.] .
1 sound cassette (ca. 60 min.) , Reprint. Originally publihed: Puerto Rico : Casa Fragoso, 1955.

By Cross, Milton..
Doubleday 1967 .
688 p.

By Jo Ching-Chi..
Pekin Ediciones en Lenguas Extranjeras 1958 .
101 p.

[Camden, N.J. Victor Talking Machine Company 1929 .
428 p. , "Eighth edition, rewritten and revised." | The first to the third and ninth editions were published under title: The Victor book of the opera. The fourth edition, 1917, and at least one subsequent edition were published under the name of Samuel Holland Rous. 24 cm..

By westerman, gerhart von..
new york E.P. dutton & co. 1964 .
584 p. , translation of: knaurs opernfuhrer.

By westerman, gerhart von..
Barcelona Ediciones Corona 1969 .
774 p. , Translation of : Knaurs Opernführer. 20 cm..

By Córdova Alvarez, Lieban..
San Juan de Puerto Rico : L. Córdova Alvarez , 1978 .
339 p. , "...en conexión con el hecho extraordinario en servicio de la patria ejecutado por el Capitán Correa y su guardia de milicianos urbanos en Arecibo, Puerto Rico." | Includes musical selections, principally for voice and piano.

By Nieva, Ignacio M..
España Sociedad General de Autores de España 1993 .
71 [8] p. , Opera in one act

[n.p.] VOX Cameo Classics 1994 .
1 compact disc

By Callas, María..
[n.p.] Movieplay 1988 .
1 compact disc

By Wagner, Richard.
San Juan, P.R. CVG 1991 .
207 p. , Libretto by the composer. | German and Spanish words. | Cover title: El anillo del Nibelungo. | Line-by-line translation by Carlos Vélez Guevara. | Includes dramatic and musical analysis by the translator. 22 cm..

By Wagner, Richard.
San Juan, P.R. Promociones Editoriales 1981 .
196 p. , Libretto by the composer. | German and Spanish words. | Cover title: El anillo del Nibelungo. | Line-by-line translation by Carlos Vélez Guevara. | Includes dramatic and musical analysis by the translator. 22 cm..

By Wagner, Richard.
San Juan, P.R. CVG 1991 .
159 p. , Libretto by the composer. | German and Spanish words. | Cover title: El anillo del Nibelungo. | Line-by-line translation by Carlos Vélez Guevara. | Includes dramatic and musical analysis by the translator. 22 cm..

By Wagner, Richard.
[s.l n.e. .
unapaged , Libretto by the composer in spanish.

By Cáceres Morell, José Antonio, | Cáceres, José A..
San Juan, P.R. Reprográfica 2002 .
615 p. 23 cm..

By Wagner, Richard.
Puerto Rico CVG 2003 .
51 p. , Translation of: Tristan und Isolde. 22 cm..
096500791X

By Cáceres Morell, José Antonio, | Cáceres, José A..
San Juan, P.R. Reprográfica 2004 .
617p. 23 cm..

By MOZART, WOLFGANG AMADEUS.
New York Dover 1985 .
1 score (225 p.) , Opera in 2 acts. | German words. | Libretto by Emanuel Schikaneder. | Reprint. Originally published: Die Zauberflöte. Leipzig : C.F. Peters, 18--? 31 cm..
048624783X

By MOZART, WOLFGANG AMADEUS.
New York Dover 1993 .
1 score (183 p.) , Libretto by Caterino Mazzolà, based on the drama La Clemenza di Tito by Pietro Matastasio. | Reprint. Originally published: Leipzig : Breitkopf & Härtel, 1872. 31 cm..
048627540X

[S.l.] | Boca Raton, Fla. Well-Tempered Press | Distributed exclusively by Masters Music Publications 1995 .
1 score (100 p.) , "Educational foreword by Alexander Lipsky"--Cover. | Despite the cover statement, this edition includes no foreword. | Previously published as Kalmus No. 9873. 31 cm..

By Bach, Johann Christian.
Boca Raton, Fla. Masters Music Publications 1990 .
1 vocal score (96 p.) , Acc. of the Vauxhall songs originally for orchestra; the 11th-12th selections from a secular cantata. | Words in the original languages (Italian, French, and English), with German translations by Karl Wolfskehl. 27 cm..

By MOZART, WOLFGANG AMADEUS.
Mineola, NY Dover Publicaions 1998 .
1 score (139 p.) , "A new compilation of works originally published by Breitkopf & Härtel, Leipzig, n.d. [1881-2] as part of Serie 5: "Opern--Partitur--Overturen" in Wolfgang Amadeus Mozarts Werke, Kritisch durchgesehene Gesammtausgabe"--T.p. verso. 31 cm..
048640174X

By White, Michael.
Buenos Aires Era Naciente 1995 .
176 p. , Translation of : Wagner for beginners. 20 cm..
9879065530

By Cáceres Morell, José Antonio, | Cáceres, José A..
[S.l. s.n.] 2008 .
647 p. 23 cm..

By Kobbe, Gustav.
New York Putnam 1987 .
xv, 1404 p. , Previous ed. published as: The new Kobbe's complete opera book. 1976. | Includes index. 25 cm..
0399131809

By Cáceres Morell, José Antonio, | Cáceres, José A..
San Juan, PR Optimática 2010 .
735 p. 23 cm..

New York, NY | Milwaukee, WI G. Schirmer | Distributed by H. Leonard Pub. Corp. 1991 .
1 vocal score (214 p.) , Opera arias; acc. arr. for piano. | "Notes and translations": p. 6-23. 28 cm..
0793504023

New York, NY | Milwaukee, WI G. Schirmer | Distributed by H. Leonard 1991 .
1 vocal score (2 v.) , Acc. arr. for piano. | "Notes and translations": p. 6-23 (v. 1); p. 5-25 (v. 2). | LC lacking v. 1. 28 cm..
0793504007 (v. 1) | 9780793504008 (v. 1) | 9780634078682 (v. 2)

New York | Milwaukee, Wis. G. Schirmer | Hal Leonard, distributor 1992 .
1 vocal score (198 p.) , (cont.) Jolie fille de Perth : Quand la flamme de l'amour / Bizet -- Lucia di Lammermoor : Dalle stanze ove Lucia / Donizetti -- Lustigen Weiber von Windsor : Al Büblein klein / Nicolai -- Macbeth : Come dal ciel precipita / Verdi -- Manon : Épouse quelque brave fille / Massenet -- Mother of us all : What what is it / Thomson -- Nozze di Figaro : Vendetta ; Se vuol ballare ; Non più andrai ; Aprite un po' quegl'occhi / Mozart -- Simon Boccanegro : Lacerato spirito / Verdi -- Sonnambula : Vi ravviso / Bellini -- Street scene : Let thinkgs be like they always was / Weill -- I vespri Siciliani : O tu, Palermo / Verdi -- Zauberflöte : O Isis und Osiris ; In diesen heil'gen Hallen / Mozart. | English translations and notes p. 6-23. 28 cm..
780793504046

Milwaukee, Wis. G. Schirmer, Inc. 1991 .
1 vocal score (219 p.) , Arr. for mezzo-soprano and piano; acc. originally for orchestra. 28 cm..
0793504015

Milwaukee, WI Hal Leonard 1992 .
1 vocal score (211 p.) , Italian words with English translations printed as text (p. 6-23). 28 cm..
9780793504039