5. • Solomon, Maynard. Late Beethoven: Music, Thought, Imagination. Berkeley: University of California Press, 2003. ISBN 0-520-237_43. • Sullivan, J. W. N., Beethoven: His Spiritual Development New York: Alfred A. Knopf, 1927. • Tellenbach, Marie-Elisabeth: Beethoven and His "Immortal Beloved" Josephine