Repeat mark for Riemann Musiklexikon.
<a href="//commons.wikimedia.org/wiki/User:Sergey_kudryavtsev" title="User:Sergey kudryavtsev">Sergey Kudryavtsev</a>
vectorized <a href="//commons.wikimedia.org/wiki/File:%D0%9C%D1%83%D0%B7%D1%8B%D0%BA%D0%B0%D0%BB%D1%8C%D0%BD%D1%8B%D0%B9_%D1%81%D0%BB%D0%BE%D0%B2%D0%B0%D1%80%D1%8C_%D0%A0%D0%B8%D0%BC%D0%B0%D0%BD%D0%B0_1380-03.png" title="File:Музыкальный словарь Римана 1380-03.png">File:Музыкальный словарь Римана 1380-03.png</a>