Ritchie, G. S. <br/><br/>
The admiralty chart :  British naval hydrography in the nineteenth century / 
G.S. Ritchie. 
 - London :  Hollis & Carter,  1967. 
 - 388 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hydrographic surveying--Great Britain--Nineteenth century.