Elena Mrozovskaya (?-1941) / Studio: Hélène de Mrosovsky, 20 Nevsky, St Petersbourg (1894-1897) / Photographer at the St. Petersburg Conservatory, the Imperial Russian Music Society, the court of Their Royal Majesty the Grand Duke of Montenegro and Prince of Bulgaria / Trained with Felix Nadar in Paris

Elena Mrozovskaya (?-1941) / Studio: Hélène de Mrosovsky, 20 Nevsky, St Petersbourg (1894-1897) / Photographer at the St. Petersburg Conservatory, the Imperial Russian Music Society, the court of Their Royal Majesty the Grand Duke of Montenegro and Prince of Bulgaria / Trained with Felix Nadar in Paris

Source: Photoria