 He also furnished original etchings for "Illustreret Danmarkshistorie for Folket" (1853–55) by ; "Die Götter des Nordens" (1845) and "De tvende Kirketaarne" (1844) by Adam Gottlob Oehlenschläger, and many other works.He painted a decoration in the Court of Appeals at Flensburg, Schleswig-Holstein, and in some public buildings of his native land.Danish painter and tapestry artist Dagmar Olrik (1860–1932) and her assistants spent 18 years decorating a room in Copenhagen's City Hall with tapestries based on cartoons of Nordic mythology by Frølich.