Lock, R.N <br/><br/>
Manual of Library Economy: A conspectus of professional librarianship. 

 - London   Clive Bingley  1977 
<br/><br/><label>ISBN: </label>0-208-01538-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library and information science
<br/><br/><label>Dewey Class. No.: </label>020MAN