ANDERSEN Hans Christian: Little Klaus and Big Klaus. Copenhagen: Danish Festival Committee, 1955. - [57] p., illus., 19.5 cm, fl. binding. illustrated by Helge Kühn-Nielsen (1921-1997). Published on the 150th anniversary of the birth of H.C. Andersen by the Danish Festival Committee on the occasion of the 5th World Festival of Peace and Friendship for Students and Youth in Warsaw on July 31-August 15, 1955. Reprinted from the collection "Fairy Tales" published by SW "Książka" in 1946, translated (?) by Stefania Beylin and Stanislaw Sawicki. Published in an edition of 2000 copies.