 Valkyries have been the subjects of various poems , works of art and musical works . In poetry , valkyries appear in " Die Walküren " by H. Heine ( appearing in Romanzero , 1847 ) , " Die Walküren " ( 1864 ) by H. v. Linge , " Sköldmon " ( appearing in Gömda Land , 1904 ) . 
