Johann Peter Eckermann Quotes
Johann Wolfgang von Goethe, Johann Peter Eckermann (2014). “Conversations of Goethe with Johann Peter Eckermann”, p.181, Ravenio Books
Johann Wolfgang von Goethe, Johann Peter Eckermann, Frédéric Jacob Soret (1850). “Conversations of Goethe with Eckermann and Soret”, p.277