There are 18 titles associated with this person.

Owenson, Sydney and Thomas Charles Morgan. France. By Lady Morgan. London: Henry Colburn [Conduit Street], 1817.
Owenson, Sydney and Thomas Charles Morgan. France. By Lady Morgan. New York: James Eastburn & Co., 1817.
Owenson, Sydney and Thomas Charles Morgan. La France; Par Lady Morgan, Ci-Devant Miss Owenson. Paris: Jean-Georges Treuttel and Jean-Godefroy Würtz [London], Jean-Georges Treuttel and Jean-Godefroy Würtz [Paris], 1817.
Owenson, Sydney and Thomas Charles Morgan. France. By Lady Morgan. Fourth Edition. London: Henry Colburn [Conduit Street], 1818.
Owenson, Sydney and Thomas Charles Morgan. Italy by Lady Morgan. Paris: A. and W. Galignani, 1821.
Owenson, Sydney and Thomas Charles Morgan. Italy by Lady Morgan. In Two Volumes. London: Henry Colburn [Conduit Street], 1821.
Owenson, Sydney and Thomas Charles Morgan. Italy, by Lady Morgan. In Two Volumes. New York City: Cornelius S. Van Winkle, M. Carey and Son [126 Chestnut Street], Wells and Lilly, Benjamin and Joseph Collins and Co. [New York City], Halsted, Bliss and White, Evert Duyckinck [Water Street], Samuel Wood and Sons [261 Pearl Street], William B. Gilley, A. T. Goodrich, J.V. Seaman, F. and R. Lockwood, 1821.