by John Marshall, Royal Naval Biography — Cole, William John (1823)
“ On the 31st July, 1821, he was appointed to the Northumberland 78, Captain T. J. Maling, employed as a guard-ship in the river Medway. In the beginning of 1828, we find him commanding the Onyx, 10-gun brig, and proceeding to the coast of Africa, from whence he returned to Portsmouth after an absence of five months. ”
