There are 6 titles associated with this person.

Croker, Margaret S. A Tribute to the Memory of Sir Samuel Romilly. By Miss M. S. Croker. London: John Souter [St. Paul's Churchyard], 1818.
Croker, Margaret S. Nugae Canorae. By Miss M. S. Croker, Author of "The Question," &c. &c. London: John Souter [St. Paul's Churchyard], 1818.
Croker, Margaret S. The Question, Who is Anna? A Tale. By Miss M. S. Croker. In Three Volumes. London: John Souter [St. Paul's Churchyard], 1818.
Croker, Margaret S. A Monody on His Late Royal Highness the Duke of Kent. By Miss M. S. Croker. London: Francis Westley, 1820.