Seven sketchbooks containing artwork by Cawthorn, mostly unlabelled and undated. Includes: Strip about 'Project Thor’, characters include Carrick, Kessle, Professor Ridgeway, John Sewell and Kerry Oliver, n.d. Strip titled 'Riff-Raf' (incomplete) about the Air Ministry and set in ‘Swedeshire’ in 1941, n.d. Strip about a spaceship travelling to Venus, characters include…