She is and she is not: a fragment of the true history of Miss Caroline De Grosberg, alias Mrs. Potter, &c. &c. exhibiting a series of uncommon artifices and intrigues in the course of her transactions with the Earl of Lauderdale, ... Compiled from papers of undeniable authenticity, and dedicated to Mrs. M-t C-e R-dd.
London : printed for J. Bew,
1776.
Miss De Grosberg is identified with Mrs Margaret Caroline Rudd.
ESTC
Also reproduced on microfilm. Woodbridge, CT: Research Publications, Inc., 1986. The Eighteenth Century ; reel 3309, no. 04.