Mason, Donald.  <br/><br/>
A primer of non-book materials in libraries / 
Donald Mason ; With an appendix on sound recordings by Jean C. Cowan . 
 - London :  Association of Assistant Librarians,  1958. 
 - 115 p. :  ill. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Libraries--Special collections.
<br/><br/><label>Dewey Class. No.: </label>025.17  / MAP 1958