There are 10 titles associated with this person.

Gardiner, Marguerite. Journal of a Tour through the Netherlands to Paris, in 1821. London: Longman, Hurst, Rees, Orme, Brown, and Green, 1822.
Gardiner, Marguerite. Sketches and Fragments. By the Author of "The Magic Lantern." London: Longman, Hurst, Rees, Orme, and Brown, 1822.
Gardiner, Marguerite. The Magic Lantern; or, Sketches of Scenes in the Metropolis. London: Longman, Hurst, Rees, Orme, and Brown, 1822.
Gardiner, Marguerite. The Repealers. A novel. By the Countess of Blessington. Philadelphia: Carey, Lea, and Blanchard, 1833.
Gardiner, Marguerite. Conversations of Lord Byron with the Countess of Blessington. London: Henry Colburn [Windsor], Richard Bentley, 1834.
Gardiner, Marguerite, Elizabeth Sutherland Leveson-Gower, Charlotte S. M. C. Bury, Mary W. Shelley, and Emmeline C. E. Stuart. Heath's Book of Beauty. 1835. With nineteen beautifully finished engravings, from drawings by the first artists. Edited by the Countess of Blessington. London: Longman, Rees, Orme, Brown, Green and Longman, 1835.
Gardiner, Marguerite, Elizabeth Sutherland Leveson-Gower, Charlotte S. M. C. Bury, Mary W. Shelley, and Emmeline C. E. Stuart. Heath's Book of Beauty. 1835. With nineteen beautifully finished engravings, from drawings by the first artists. Edited by the Countess of Blessington. London: Longman, Rees, Orme, Brown, Green and Longman, 1835.