found: Mascagni, P. Cavalleria rusticana [SR] p1979: notes (Pablo Elvira, baritone)
found: WW in opera, 1976 (Elvíra, Pablo; b. Sept. 24, 1938, Santurce, P.R.; lyric baritone)
found: New York times, Feb. 11, 2000: p. B10 (Pablo Elvira, 62, baritone, d. Feb. 5, 2000, Bozeman, Mont.; b. Sept. 24, 1937, San Juan, P.R.)
found: New Grove dict. of opera (Elvira, Pablo; b. Sept. 24, 1938, San Juan; Puerto Rican baritone)
found: Int. ww in mus., 12th-16th eds. (Elvira, Pablo; b. Sept. 24, 1938, San Juan, P.R.; baritone)
found: Kutsch/Riemens. Grosses Sängerlexikon, 1987- (Elvira, Pablo; b. Sept. 24, 1938, Santu[r]ce, P.R.; baritone) Ergänzungsband, 1991 (b. San Jose, P.R.)
found: Ww in Amer. mus., classical, 2nd ed. (Elvira, Pablo; b. Sept. 24, 1938, Santurce, PR; baritone)
found: Baker's bio. dict. of twentieth-century classical musicians (Elvira, Pablo; b. Sept. 24, 1937, Santurce; Puerto Rican baritone)