MR issued, anonymously, at both London and New York
, the earliest book identified as hers: Summerleigh Manor; or, Brothers and Sisters
, designed, as her preface mentions, for young readers.
By 17 March 1860
MR was in her twenties when she published, anonymously, her earliest success, Mademoiselle Mori
, which she had first written in Italian and then translated.
MR's final book, appeared (as by 'the author of Madmoiselle Mori'): a study of Saint Catherine of Siena and Her Times
, which was commissioned from her by Methuen
when she was over seventy.