William Clowes & Sons.

Printers. William Clowes (1807–83), eldest son of William Clowes (1779–1847), joined his father’s printing business in 1823; the name of the firm was changed to William Clowes & Sons in 1839. Printed the official catalogue of the Great Exhibition of 1851. Introduced improvements in music printing. Printers to John Murray.

Sources: ODNB. (See the bibliography for full references to sources)