On the cover page Ulaev acknowledges 5 photographers whose pictures were published in his book. Though the author of this photo can not be identified with certainty, it was taken at the time of the Russian Empire and therefore is in the Public Domain.
{{BotMoveToCommons|en.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} {{Information |Description={{en|Port of Ayan, on the Sea of Okhotsk, in the early 1900s}} |Source=Transferred from [http://en.wikipedia