PIGGOTT PAPERS. Vol. I (ff. 321). Silesian Loan Dispute: commentary. Frederick II of Prussia: Papers of Sir F. T. Piggott rel. to the Silesian Loan Dispute: 20th cent.
PIGGOTT PAPERS. Vol. II (ff. 195). Silesian Loan Dispute: documents (material, including some printed proof-sheets, for vol. i of the 'English Classical Series' [see above], viz. Documents relating to the Silesian Loan Dispute). Included (ff. 79-86) is a copy of a rare printed tract, Lettre d'un...
PIGGOTT PAPERS. Vol. VI (ff. 257). First Armed Neutrality, 1780: documents and authorities. The documents are not those published in Documentary History of the Armed Neutralities, 1780 and 1800 (see above).