Cassell's directory of publishing in Great Britain, the Commonwealth, Ireland, South Africa and Pakistan. 

 - [7th ed.]. 
 - London, Cassell,  [1973] 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Publishers and publishing -- Commonwealth and Nations -- Directories.--Publishers and publishing -- Commonwealth and Nations -- Directories.--Publishers and publishing -- Commonwealth and Nations -- Directories.