found: nuc86-63018: His Cuestión de amor y otros poemas, 1984(hdg. on WU rept.: Rius Zunón, Luis; usage: Luis Rius)
found: His Luis Rius [SR] c1973:container (Luis Rius Azcoitia; b. Nov. 1, 1930, Tarancón (Cuenca), España)
found: Verso y prosa, 2011:p. 4 of cover (b. 1930 in Tarancón, Spain; d. 1984 in Spain; lived in Mexico; poet, essayist and critic, also professor of literature)
found: Wikipedia, June 9, 2011:(Luis Rius Azcoitia; b. Nov. 10, 1930 in Tarancón, province of Cuenca; d. Jan. 10, 1984 in México; poet and essayist; his father was Luis Rius Zuñón; president of the Diputación de Cuenca (1934); poet, essayist and professor of literature at the Universidad de Guanajuato; some of his works include: Canciones de vela (1951), Canciones de ausencia (1954), Canciones de amor y sombra (1965), Canciones a Pilar Rioja (1969), Cuestión de amor y otros poemas (1984))