[WALPOLE, Robert.] Observations Upon the Treaty Between the Crowns of Great-Britain, France, and Spain, Concluded at Seville on the Ninth of November, 1729, N.S. London: J. Roberts, 1729. 29pp. (One leaf dust-soiled.) [Bound with:] The Treaty of Peace, Union, Friendship, and Mutual Defence, Between the Crowns of Great-Britain, France and Spain, Concluded at Seville on the 9th November, N.S. 1729. [London:] 1729. ‘Taken from the Daily Post-Boy of January 8, 1729’. 23pp. String-bound. – And a further six tracts (including [James Burgh]’s ‘Britain’s Remembrancer’, fourth edition, 1747, 4to, and [Owen Ruffhead?]’s ‘A Letter to a Late Noble Commander of the British Forces in Germany’, second edition, 1759, 4to, and [Israel Maudit]’s ‘Considerations on the Present German War’, fourth edition, 1761, 4to, and ‘A Full and Candid Answer to a Pamphlet, entitled, Considerations on the Present German War’, third edition, 1761, 4to, and a defective copy of Guillaume Thomas François Raynal’s ‘The Revolution of America’, 1781, 8vo, and one other) (7).