H. A. Guerber, more commonly known as Helene A. Guerber (Helene Adeline Guerber) (1859-1929) was an American historian most well known for her written histories of Germanic mythology. Her most well known work is Myths of the Norsemen from the Eddas and Sagas (1909). Amongst her other works are Myths of Greece and Rome (1893), Stories of the Wagner Opera (1895), The Story of the Greeks (1898), Legends of the Middle Ages (1909) and The Book of the Epic (1913). Это и многое другое вы найдете в книге Stories of the Wagner Opera (Illustrated Edition) (Dodo Press)