Jewelers' circular-keystone :  JCK. 
 JCK 

 - Radnor, Pa. :  Chilton Co.,  1990- 
 - 11 v. :  ill. ;  28 cm. 
 - Monthly-except semimonthly in Dec. (13 issues per year) 
 - Vol. 161, no. 1 (Jan. 1990)- Ceased in 2000. 
<br/><br/> Title from cover.  Published: Cahners, May 1998- 
<br/><br/>Supplemented by: Jewelers' circular-keystone directory, 1990; and: Jewelers' circular-keystone. Jewelers' directory, 1992-2000. Absorbed in 1993: the Jewelers' circular-keystone directory, and called it the "Directory issue." 
<br/><br/><label>ISSN: </label>1070-0242 
 = Jewelers' circular-keystone  (1990) 
 = Jewel. circ.-keyst.  (1990) 
<br/><br/><label>LCCN: </label>98656738  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Jewelry trade--Periodicals.
<br/><br/><label>LC Class. No.: </label>TS720  / .J5 
<br/><br/><label>Dewey Class. No.: </label>338.4/773927/05