'Instructions for the Conduct of the Ships of War, Explanatory of, and relative to, the Signals contained in the Signal-Book'.
'Instructions for the Conduct of the Ships of War, Explanatory of, and relative to, the Signals contained in the Signal-Book', issued by Vice-Admiral Sir Joshua Rowley in the MONARCH, Port Royal Harbour, 11 Feb 1783, to Captain Thomas Spry, (formerly SM/183)