Horological books and pamphlets in the Franklin Institute Library / 
compiled by Walter A.R. Pertuch and Emerson W. Hilker. 
 - Second edition. 
 - Philadelphia  [1968] 
 - 109 leaves ;  28 cm 
<br/><br/><label>LCCN: </label>68005486  
<br/><br/><label>Subjects--Corporate Names: </label><br/>Franklin Institute (Philadelphia, Pa.). Library. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clocks and watches--Bibliography--Catalogs.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Catalogs.