There are 3 titles associated with this firm.

Gore, Catherine G. F. Mrs. Armytage; Or, Female Domination. By the Authoress of “Mothers and Daughters.” In Three Volumes. London: Henry Colburn [Great Marlborough Street], 1836.
Gore, Catherine G. F. The Diary of A Désennuyée. In Two Volumes. London: Henry Colburn [Great Marlborough Street], 1836.
Landon, Letitia E. Traits and Trials of Early Life. By L. E. L. Author of "The Improvisatrice" &c. London: Henry Colburn [Great Marlborough Street], 1836.