Prytherch, Ray <br/><br/>
Sources of information in librarianship and information science 
by Ray Prytherch 
 - Aldershot  Hants, Gower  1983 
 - 189p. 
<br/><br/> Bibl.p.173-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science
<br/><br/><label>Dewey Class. No.: </label>P9 P957