by John Marshall, Royal Naval Biography — Collier… (1823)
“ Captain Collier’s next appointment was, Sept. 1818, to the Mersey 26, in which ship he served the usual period of three years, on the Halifax station, and afterwards formed part of his Majesty’s escort from Calais. The Mersey was paid off at Portsmouth, Nov. 30, 1821. Agents.– Messrs. Maude & Co. ”
