PORTLAND PAPERS. Vol. CCCI (29/409, 410{2}). Projects for raising public revenue. Robert Harley, 1st Earl of Oxford: Correspondence and papers: late 17th cent.-1724.
PORTLAND PAPERS. Vol. CCCXXXIX (29/314). Report of the Commissioners of the Exchequer; 15 March 1711/12. Robert Harley, 1st Earl of Oxford: Correspondence and papers: late 17th cent.-1724.
PORTLAND PAPERS. Vol. CCCXLIV (29/315). Proceedings in Parliament relating to the impeachment of Lord Oxford; 1715-1717. England; Parliament: Papers rel. to 1st Lord Oxford's impeachment: 1715-1717. Robert Harley, 1st Earl of Oxford: Correspondence and papers: late 17th cent.-1724.
PORTLAND PAPERS. Vol. CCCL (29/319). Robert, 1st Earl of Oxford: Account Book No. 44; 1723-1724. Accounts: Acconts of 1st Lord Oxford: late 17th cent-circa 1724. Robert Harley, 1st Earl of Oxford: Correspondence and papers: late 17th cent.-1724.
PORTLAND PAPERS. Vol. CCCXLV (29/1). Impeachment of Lord Oxford; 1715-1717. England; Parliament: Papers rel. to 1st Lord Oxford's impeachment: 1715-1717. Robert Harley, 1st Earl of Oxford: Correspondence and papers: late 17th cent.-1724.
PORTLAND PAPERS. Vol. CCCXXX (29/7). Drafts of Speeches, etc., by Harley, many in his own hand. Robert Harley, 1st Earl of Oxford: Correspondence and papers: late 17th cent.-1724.
PORTLAND PAPERS. Vol. CCCLI (29/13). Bonds and other papers relating to Lord Oxford's debts. Accounts: Acconts of 1st Lord Oxford: late 17th cent-circa 1724. Robert Harley, 1st Earl of Oxford: Correspondence and papers: late 17th cent.-1724.