"Décoration de la Bibliothèque populaire le 1er mai" - May 1st at Petrograd

Boris Souvarine Papers - Soviet Russia Photos.graduateinstitute.ch/home/research/library/archives/boris... ( http://graduateinstitute.ch/home/research/library/archives/boris-souvarine.html ) ..Notes: On the back, in French: "Décoration de la Bibliothèque populaire le 1er mai"...On the sign: "... (?) bourgeoisie ..." ..Probably in St. Petersburg, before the Winter Palace...Unknown photographer...Description: 1 photograph. Black and white ; 11 x 15.5 cm.