Gustav Mahler, 1898
<bdi><a href="https://www.wikidata.org/wiki/Q18508420" class="extiw" title="d:Q18508420"><span title="Austro-Hungarian chemist and photographer (1838-1901)">Josef Székely</span></a>
</bdi>
1898
<a rel="nofollow" class="external free" href="https://mahlerfoundation.org/mahler/chronology/1898-1907-vienna/year-1898/">https://mahlerfoundation.org/mahler/chronology/1898-1907-vienna/year-1898/</a>