found: His Las frias montañas, c1964:cover (Mario Ruíz Armengol)
found: FIU Libraries WWW site, Aug. 24, 2009:Digital collections; Encyclopedic discography of Cuban music, 1925-1960 (Mario Ruíz Armengol; b. Mar. 17, 1914, Veracruz, Mexico; pianist, arranger, composer, conductor, artistic director of Victor Records in Mexico, leader of Orquesta Mario Ruíz Armengol)
found: Spanish Wikipedia, Aug. 24, 2009(Mario Ruiz Armengol; b. Mar. 14, 1914 or 1911, Veracruz, d. Dec. 22, 2002; Mexican pianist, composer, arranger, conductor and teacher)
