[Kschessinskaya, Mathilde. (1872–1971)] Bulla, Karl. (1855–1929) Important Collection of PhotographsAn extraordinary archive of 14 original photographs from the ballerina who was mistress of the Czar Nicholas II (and two more Romanovs!) and the most famous of all Russian ballerinas of her time. She was the first Russian ballerina to dance the 32 fouetts in Swan Lake, and was the last to hold the official title "Prima Ballerina Assoluta." From 1890, Kschessinskaya had been involved with the future Nicholas II, when he was a grand duke and she was