Bertha Hosang, from a 1918 publication.
No photographer credited.
Francis J. Dickie, <a rel="nofollow" class="external text" href="https://books.google.com/books?id=XVP_x4dXO4QC&amp;lpg=PA2&amp;ots=tY_v-lHvA1&amp;dq=Bertha%20Hosang%20Sunset&amp;pg=RA4-PA45#v=onepage&amp;q=Bertha%20Hosang%20Sunset&amp;f=false">"Interesting Westerners"</a> <i>Sunset: The Pacific Monthly</i> (October 1918): 45-46.