<a href="https://en.wikipedia.org/wiki/Gustav_Mahler" class="extiw" title="w:Gustav Mahler">Gustav Mahler</a> (1860-1911), austrian composer, conductor and pianist. His signature. Picture taken in the hall of the Opera of Vienna.
<bdi><a href="https://en.wikipedia.org/wiki/en:Moritz_N%C3%A4hr" class="extiw" title="w:en:Moritz Nähr"><span title="Austrian photographer (1859-1945)">Moritz Nähr</span></a>
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<b>1907</b>. 2013-10-09 11:57:04
Bibliothèque nationale de France