ZÜRN (Unica). Sombre printemps. Translated from the German by Ruth Henry and Robert Valançay. Paris: Pierre Belfond, [1971]. - In-8, paperback, filled cover, modern slipcase. First edition of the translation, illustrated with a frontispiece drawing by Hans Bellmer. Copy of the current edition, dedicated by the translators to Patrick and Line Waldberg: "Pour Patrick et // Line Waldberg // - en souvenir d'Unica // Ruth // Robert Valançay." It has since been embellished with an invitation to the exhibition of Unica Zürn's drawings and gouaches from May 11 to 31, 1956 at the Galerie "Le Soleil dans la tête" in Paris, and an original photograph (6 x 6 cm) by Belgian surrealist photographer Léo Dohmen (1929-1999), taken in Paris in 1958 and showing Unica Zürn in the company of Hans Bellmer. Spine unstained.