This photograph of Tsarina <a href="https://en.wikipedia.org/wiki/Alexandra_Feodorovna_(Alix_of_Hesse)" class="extiw" title="w:Alexandra Feodorovna (Alix of Hesse)">Alexandra</a> with her four <a href="https://en.wikipedia.org/wiki/OTMA" class="extiw" title="w:OTMA">daughters</a> aboard the Imperial Yacht <a href="https://en.wikipedia.org/wiki/Russian_yacht_Standart" class="extiw" title="w:Russian yacht Standart">Standart</a> is from the Beinecke Library and can be used with attribution. The correct credit line is Romanov Collection, General Collection, Beinecke Rare Book and Manuscript Library, Yale University.
Romanov family
Attribution
<a rel="nofollow" class="external text" href="http://brbl-dl.library.yale.edu/vufind/Record/3601086?image_id=1000198">Romanov Family Album 3, page 27</a>, <a rel="nofollow" class="external text" href="http://brbl-dl.library.yale.edu/vufind/Record/3601086?image_id=1000204">image no. 6</a>