Music in ancient Arabia and Spain being La musica de las Cantigas - Ribera y Tarrago, Julian 1858-1934. (New York Da Capo Press, 1970)
Reprint of the 1929 ed.
Keywords: Alfonso -- King of Castile and Leon -- 1221-1284; Music -- History and criticism. -- Middle East; Aesthetics, Medieval; Music -- History and criticism. -- Spain