There are 6 titles associated with this person.

Derenzy, Margaret G. Parnassian Geography; or, the Little Ideal Wanderer. Wellington: James Scatcherd and Charles Letterman [Litterman], Frances Houlston and Son [Wellington], 1824.
Derenzy, Margaret G. Poems Appropriate for a Sick or a Melancholy Hour. Wellington: James Scatcherd and Charles Letterman [Litterman], Frances Houlston and Son [Wellington], 1824.
Derenzy, Margaret G. The Flowers of the Forest. By the Author of "The Juvenile Wreath," "A Gift from the Mountains," &c. &c. Wellington: Frances Houlston and Son [Wellington], 1828.
Derenzy, Margaret G. The Juvenile Wreath. By the Author of "The Flowers of the Forest," "A Gift from the Mountains," &c. &c. Wellington: Frances Houlston and Son [Wellington], 1828.
Derenzy, Margaret G. The Old Irish Knight: A Milesian Tale of the Fifth Century. By the author of "A Whisper to a Newly-Married Pair," "Parnassian Geography," &c. London: Poole and Edwards (Successors to Scatherd and Letterman), 1828.
Derenzy, Margaret G. The Juvenile Wreath. 1829.