In addition to that novel featuring Friedrich von Hohenzollern and Klingsohr, he wrote a poem in which the narrator claims to die in holy rapture repeatedly and another poem in which the world is reborn with the death of a singer who dies in his youth.  
In one work by this author, a frame story set in the frozen world of Arcturus details the defeat of an evil scribe by Sophie, Eros, and Fable.  That story is told by a man the protagonist sees a picture of himself with in an unfinished book written by a hermit, and the protagonist of that work falls in love with a girl whose face he dreams in a blue flower, Mathilde.  In addition to that novel featuring Friedrich von Hohenzollern and Klingsohr, he wrote a poem in which the narrator claims to die in holy rapture repeatedly and another poem in which the world is reborn with the death of a singer who dies in his youth.  Another poem which blesses the endless slumber and describes floating to the heavenly shore is entitled Longing for Death.  That work by this author of To a Falling Leaf and Devotional Songs was written in response to the death of Sophie von Kuhn.  FTP, name this German poet of Heinrich von Ofterdingen and Hymns to the Night.
In one work by this author, a frame story set in the frozen world of Arcturus details the defeat of an evil scribe by Sophie, Eros, and Fable.  
Novalis or Friedrich von Hardenberg