Julia Florida, Agustín Barrios by PreludeAndFugue
https://www.youtube.com/playlist - Julia Florida Agustín Barrios Mangoré
http://www.mangore.com/julia-florida-1-3-71
http://www.benjaminverdery.com/bens-deep-thoughts/2014/12/12/reflections-on-agustin-barrios-mangores-julia-florida
http://www.delcamp.net/pdf/agustin_barrios_mangore_julia_florida.pdf