I had written a post on Empress Alexandra's wardrobe in the Winter Palace:
Winter Palace Research (Зимний дворец): Empress Alexandra’s Wardrobe on 2nd Floor Mezzanine of the Winter Palace
And then yesterday I was thrilled to see the Director of the Hermitage's wonderful video on the Empress'...
Winter Palace Research
Plan & List of the 1st Floor of the Winter Palace
(clique to enlarge)
https://winterpalaceresearch.blogspot.ca/2016/10/plan-list-of-1st-floor-of-winter-palace.html
Joanna