HUME, David. Essays and Treatises on Several Subjects. London: For T. Cadell [and others], 1788. 2 volumes. 8° (205 x 130mm.). Contemporary sprinkled calf, flat spines ruled in gilt, red lettering pieces, yellow edges. -- ANDERSON, William, editor. The Speeches and Judgement of the...Lords of Council...against Archibald Douglas. Edinburgh: Balfour, Auld and Smellie, 1768. 8° (205 x 129mm.). Contemporary sprinkled calf, spine ruled in gilt, red lettering piece, red sprinkled edges. Provenance: Sir James Colquhoun of Luss (armorial bookplate). -- PRICE, Richard. Four Disssertations. London: For T. Cadell, 1777. 8° (208 x 125mm.). Contemporary sprinkled calf, flat spine gilt, red lettering piece, yellow edges. Provenance: Tickets at beginning and end of book of S. Woolmer, printer and bookseller, Exeter; William Danby (signature and armorial bookplate). -- JACKSON, William. The Four Ages; together with Essays on Various Subjects. London: For Cadell and Davies, 1798. 8° (211 x 126mm.). Contemporary tree calf, spine ruled in gilt, red lettering piece, yellow edges. Provenance: John Harthrup (cropped signature, dated 1799, on title-page); West (armorial bookplate); Lord Clark (book-label). (5)