There are 3 titles associated with this person.

(1833). The moral of flowers, illustrated by coloured engravings. London: Longman, Rees, Orme, Brown, Green and Longman. Mary Robinson. John Hatchard and Son [187 Piccadilly]
(1835). The moral of flowers illustrated by coloured engravings. second edition. London: Longman, Rees, Orme, Brown, Green and Longman. Mary Robinson.
(1836). The moral of flowers, illustrated by coloured engravings. third edition. London: Longman, Rees, Orme, Brown, Green and Longman. Mary Robinson.