by Staff-Commander W.R. Martin, R.N.
London, Longmans, Green & Co., 1888.
sanctioned for use in the Royal Navy by the Lords Commissioners of the Admiralty. scarce in First Edition form
by John Merrifield
London, Longmans, Green, 1883.
the author was Head Master of the Navigation School in Plymouth
Report of the Conference appointed to consider the proposal for a uniform system of buoyage for the United Kingdom. together with the minutes of evidence and appendices
London, printed by Eyre & Spottiswoode, 1883.
Harber, JanetNautical Data Ltd., 2001
Rosser, W.H.London, Charles Wilson, 1880