Lexicographorum principis thesaurus linguae latinae.... Basel: E. & J.R. Thurnisiorum, 1740-1743.
Folio (392 x 247 mm). 4 volumes bound in 2. [26], 42, 754; [2], 706; [2], 706; [2], 621 pp. Half-title. Text in 2 columns. First title printed in red and black and with engraved vignette. Period mottled calf, spines elaborately gilt in compartments, blue and tan morocco lettering- and numbering-pieces, edges stained red. Intermittent foxing, light wear and drying to bindings, but overall very handsome set.
Provenance: Francis Vaucher (period ownership inscription to each flyleaf).

Last and best edition of Robert Estienne's greatest achievement. "This edition is preferred to the London one because of the additions it contains, and because it is more accurate. The editor used the notes which H. Estienne, son of Robert, had written in a copy of the 1573 edition, preserved in the Geneva library" (Brunet II, 1071, translated).