Chopin Heritage in Open Access - Répertoire International des Sources Musicales

"30,000 photographs, 500 first editions of Chopin’s works, more than 3,000 issues of 19th-century magazines, almost 1,000 hours of recordings, manuscripts, works, Fryderyk Chopin’s correspondence, hundreds of iconographic objects and works of art – the largest Chopin collection in the world is now available online for free!..."