Lock, Reginald Northwood. <br/><br/>
Library administration   
by Reginald Northwood Lock 
 - London  Crossby Lockwood & son Ltd..  1961 
 - x, 132p. 
 - Croseby lockwoods new librarianship series .
<br/><br/><label>Dewey Class. No.: </label>025.1  / N61