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

 - [5th ed.]. 
 - Cassell ; London,  Cassell ; London,  1968-1969. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Publishers and publishing -- Commonwealth of Nations -- Directories.--Publishers and publishing -- Commonwealth of Nations -- Directories.--Publishers and publishing -- Commonwealth of Nations -- Directories.