José León Sancho Rayón

José León Sancho Rayón

José León Sancho Rayón was a nineteenth-century Spanish editor and bibliographer (1830–1900), born in Madrid . He is chiefly known for publishing the multi-volume *Colección de documentos inéditos para la historia de España* and for producing photographic reproductions of rare books as part of his bibliography of early Spanish works .José León Sancho Rayón was a Spanish librarian and bibliophile (1830–1900), born in Madrid . He is best known for editing the *Colección de documentos inéditos para la historia de España* and *Colección de libros españoles raros o curiosos*, and for producing photolithographic facsimiles of rare early Spanish books .