Most interestingly to me, is Violet's photograph the model for the photograph of Lily in Conchis' room at Bourani?

I've searched widely and haven't seen that anyone has commented on this, but am curious to know of any such prior discussion.
https://en.wikipedia.org/wiki/Violet_Gordon-Woodhouse
http://www.telegraph.co.uk/culture/4704995/Violets-men-and-music.html