A letter on the national dangers which result from the great deterioration in the seamen of the Mercantile Marine : with reasons for the adoption of an apprentice system; addressed to His Grace the Duke of Somerset, First Lord of the Admiralty /
Ryder, A. P.(Alfred Phillipps),Sir,1820-1888.
Graves, S. R.
London : W. Clowes & Sons,
1860.