Mason, Donald. <br/><br/>
A primer of non-book materials in libraries / 
With an appendix on sound recordings by Jean C. Cowan. 
 - London :  Association of Assistant Librarians,  1959. 
 - xi, 115 p. :  ill. ;  22 cm. 
<br/><br/><label>LCCN: </label>59-001396 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Libraries--Special collections.
<br/><br/><label>Dewey Class. No.: </label>028.7