AMDigital Reference:614.i.37.
Electronic reproduction. Marlborough, Wiltshire : Adam Matthew Digital, 2005.
Reproduction of: The Life of the Thrice Noble, High and Puissant Prince William Cavendish, Duke, Marques, and Earl of Newcastle. Written by the Thrice Noble, Illustrious, and Excellent Princess, Margaret, Duchess of Newcastle, His Wife, 1667.
British Library