One of his last works in xylography was illustrations for Raymond Schmittlein's study on Prosper M�rim�e " Lokis " created in 1949 . He also created illustrations for Shakespeare's " Hamlet ", Johann Wolfgang von Goethe's " die Leiden des Jungen Werthers ", ( published by Karl Alber; the illustrations were bought by the Goethe-Schiller Institute " Le Si�ge " was the first book that Jonynas illustrated using aquarelle and not xylography.