The following item has been cataloged separately: Brougham, Henry. Present State of the Law: The Speech of Henry Brougham, Esq., M.P., in the House of Commons, on Thursday, February 7, 1828... London: Henry Colburn, 1828.
Additional Henry Peter Brougham manuscripts may be found in the John W. Croker papers and the William Petty, 1st Marquis of Lansdowne, 2nd Earl of Shelburne papers.
The following published volume includes a manuscript letter by Henry Peter Brougham, Baron Brougham and Vaux: Croker, John Wilson, and Louis J. Jennings. The Croker Papers: The Correspondence and Diaries of the Late Right Honourable John Wilson Croker, LL. D, F.R.S., Secretary to the Admiralty from 1809 to 1830. London: John Murray, 1884.
The Clements Library holds several printed portraits of Henry Peter Brougham, Baron Brougham and Vaux.
Lobban, Michael. "Brougham, Henry Peter, first Baron Brougham and Vaux (1778-1868)." Oxford Dictionary of National Biography. Online Edition. Oxford University Press, 2004. doi: 10.1093/ref:odnb/3581