Beethoven, Ludwig van Composer, 1770-1827. Beethoven's so-callled "Letter to the immortal mortal beloved", presumably Bad Teplitz, 6th/7. Juli (1807?); 2nd double sheet from 6th July, morning: " (...) look at the beautiful nature and calm your soul about what must be - love demands all, and rightly so (....) ". Berlin, Staatsbibliothek Preußischer Kulturbesitz.