[en] [Gutenberg 34737] • Beethoven : The story of a little boy who was forced to practice Independently Published
[en] [Gutenberg 55941] • Beethoven e-artnow
[de] [Gutenberg 50296] • Ludwig Tiecks Genoveva, als romantische Dichtung betrachtet Forgotten Books
[en] [Gutenberg 25711] • Freedom in Science and Teaching. / from the German of Ernst Haeckel Public Domain Books
[en] [Gutenberg 27814] • Feuerbach: The roots of the socialist philosophy Kessinger Publishing
[en] [Gutenberg 34937] • Tieck's Essay on the Boydell Shakspere Gallery Pringle Press
[fr] [Gutenberg 33539] • Voyage musical en Allemagne et en Italie, I Createspace Independent Publishing Platform