Sara Solá de Castellanos (pen name: Violeta del Valle; 23 June 1890after 1928) was an Argentine poet, novelist, playwright and lyricist. She is remembered for writing the lyrics of the hymn of the city of Salta. She was also the author of two extensive poems, ''Poemas del paisaje'' and ''Tiempo Añorado''; a series of youth poems, novels and songs; and non-fiction works related to Salta.
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