Young <a href="https://en.wikipedia.org/wiki/Igor_Sikorsky" class="extiw" title="en:Igor Sikorsky">en:Igor Sikorsky</a>. Portrait photograph by <a href="https://en.wikipedia.org/wiki/Karl_Bulla" class="extiw" title="en:Karl Bulla">en:Karl Bulla</a>
<bdi><a href="https://en.wikipedia.org/wiki/en:Karl_Bulla" class="extiw" title="w:en:Karl Bulla"><span title="German-Russian photographer">Karl Bulla</span></a>
</bdi>
1914, 2009 - archives de --<a href="//commons.wikimedia.org/wiki/User:%D0%A4%D0%B8%D0%BD%D0%B8%D1%82%D0%BE%D1%80" title="User:Финитор">FinitoR</a> (<a href="//commons.wikimedia.org/wiki/User_talk:%D0%A4%D0%B8%D0%BD%D0%B8%D1%82%D0%BE%D1%80" title="User talk:Финитор"><span class="signature-talk">talk</span></a>) 09:34, 2 May 2009 (UTC)
Book: С-Петербург. Столица Российской империи. Лики России. С-Петербург 1993.