Nathan Drake: Shakespeare and his Times. T. Cadell and W. Davies, London 1817, Band 2, S. 62 ff. (Textarchiv – Internet Archive).
Memoirs of Henry Wriothesley, the third Earl of Southampton. In: James Boswell: The plays and poems of William Shakespeare. Band 20, F. C. and J. Rivington, London 1821, S. 427 ff. (Textarchiv – Internet Archive).