Lovelace copy.- Mackay (Robert William) The Progress of the Intellect, as Exemplified in the Religious Development of the Greeks and Hebrews, first edition, Earl of Lovelace's copy, John Chapman, 1850.

Lovelace copy.- Mackay (Robert William) The Progress of the Intellect, as Exemplified in the Religious Development of the Greeks and Hebrews, 2 vol., first edition, William King, 1st Earl Lovelace's copy, lacking half-titles, occasional spotting, contemporary half vellum, spines richly gilt with Lovelace arms at foot and red and black morocco labels, little rubbed, marbled edges, 8vo, John Chapman, 1850.

⁂ Provenance: William King-Noel, 1st Earl of Lovelace (1805-1893) English nobleman and scientist, husband of Hon. Augusta Ada Byron, the early computer programmer and only legitimate daughter of Lord Byron (Inscription to title 'Lovelace, Sept, 1857'; arms to spine, later ink stamps of Ben Damph Forest to front free endpapers.).