by John Marshall, Royal Naval Biography — Tinling… (1823)
“ Above 12,000 French troops reinforced the already enormous army. The Count D’Artois, Duc de Bourbon, and many others of the most distinguished nobility of France, were assembled in the allied camp, in order to partake in the glory which was expected to be derived from so illustrious an enterprise as the reduction of this fortress. Besides the combined fleet, forty gunboats with heavy cannon, as many bomb-vessels, with each a twelve-inch mortar, and five large bomb-ketches on the usual construction, were destined to second the powerful efforts of the battering ships ”
