Art Nouveau is widely present in many arts and documentary forms in stocks of libraries belonging to the Digital Libraries Federation. Most of artistic (mainly paintings) objects can be found in the National Digital Museum in Warsaw: works of one of the most famous French representatives of Art Nouveau – Henri de Toulouse Lautrec (A walk in foyer of Moulin Rouge, Madmoiselle Marcelle Lender), Czecha – Alfons Mucha (Design for a poster for the Moet et Chandon Company; Au quartier latin; XXme Exposition du Salon des Cent), applied arts of Emile Galle (a vase; a plate; hanging shelf) or a graphics of Felix Vallotton. The Pomeranian Digital Library shares many kinds of foreign magazines from the treshold of 19th and 20th centuries. They concern design and art: German Deutsche Kunst und Dekoration (1899, 1902) and French Art et décoration : revue mensuelle d’art moderne (1911). Newspapers and coverages introducing art nouveau artists can be found also in: the Zielonogórska Digital Library, the Digital Library of Wielkopolska or in the Repozytorium Politechniki Krakowskiej. In the last one we can also find photographs of architectonic art nouveau elements, e.g. excerpt of elevation designed by Otto Wagner. Moreover, it is also worth to mention pieces of art from the famous Polish art nouveau artist: Stanislaw Wyspiański – a selection of his paintings can be seen in the Jagiellonian Digital Library.