Found 2 collections related to Castlereagh, Robert Stewart, Viscount, 1769-1822

Castlereagh, Robert Stewart, Viscount, 1769-1822
Carl H. Pforzheimer Collection of Shelley and His Circle | Pforz MS
1 item
Robert Stewart, Viscount Castlereagh and second marquess of Londonderry, Irish-born politician. To Anthony Barclay, "His Majesty's Commissioner to the United States of America" : 1 official lithographed circular letter signed : 30 Jan 1820 : (MISC... more
Porter, Jane, 1776-1850
Carl H. Pforzheimer Collection of Shelley and His Circle | Pforz MS
1872 items
The Jane Porter Papers in the Carl H. Pforzheimer Collection of Shelley and His Circle at the New York Public Library.