Baudelaire's "Les Fleurs du Mal". A major voice of Modernism (often referred to as a Symbolist or Decadent also) and "Les Fleurs..." is his reigning masterpiece.
"Concentrating on the period extending roughly between 1860 to the present,M/M focuses systematically on the methodological, archival,and theoretical exigencies particular to modernism.It encourages an interdisiplinary approach linking music, literature,architecture, the visual arts ..."