Research centers directory 

 - 3rd ed. 
 - Detroit, Mich. :  Gale Research Co.,  1968 
 - 884 p. ;  29 cm. 
<br/><br/> Began with 2nd ed.  Published by : Gale Research Inc., 1990- 
<br/><br/>Supplemented between eds. by : New research centers Seventh ed. published also in an edition arranged geographically: Research centers directory.  Geographical and executive arrangement 
<br/><br/> Irregular 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research--United States--Directories<br/>Research--Canada--Directories<br/>Learned institutions and societies--United States--Periodicals
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Learned institutions and societies--Periodicals