For anyone looking for great erotic historical romances, check out Bertrice Small. I´ve denoted the Skye O´Malley series below with a (S) after the title, and the Jasmine series with a (J) series.
Novellas:
Mastering Lady Lucinda in 
Fascinated
Ecstasy in 
Captivated
The Awakening in 
Delighted
Novels:
Skye O'Malley (S)
Lost Love Found (S)
Wild Jasmine (S)
Darling Jasmine: The Glenkirk Chronciles (J)
Bedazzled (J) (currently unavailable)
Adora (currently unavailable)
Enchantress Mine (currently unavailable)
Vixens (J)
And now she's dipped her toes into contemporary waters with this one: 
Private Pleasures
