In 1820 appeared his Belshazzar's Feast, which excited much favourable and hostile comment, and was awarded a prize of £200 at the British Institution, where the Joshua had previously carried off a premium of £100.
Im Jahr 1821 erschien sein Bild Belshazzar's Feast (Belsazars Fest), das zu vielen positiven und feindlichen Kommentaren Anlass gab und einen Preis von 200 Pfund an der British Institution davontrug, wo Joshua schon zuvor einen Preis von 100 Pfund erhalten hatte.