Großfürstin Olga von Russland, Grand Duchess of Russia Public domain photograph - female portrait, the 1900s, free to use, no copyright restrictions image - Picryl description
Grand Duchess Olga Nikolayevna with her regiment Public domain scan of the vintage German Empire postcard, 19th century, no copyright restrictions image - Picryl description
Великие княжны Ольга, Татьяна и Мария Российские
Grand Duchesses Olga, Tatjana and Maria of Russia Public domain photograph - female portrait, the 1900s, free to use, no copyright restrictions image - Picryl description