Ulrich's International Periodicals Directory, 1932- 

 - 3rd ed. 
 - New York :    R.R. Bowker,    1974. 
<br/><br/>  Bowker serials bibliography supplement 1974. To Ulrich's Internation al Periodicals Directory, 15th. edition and Irregular serials and annua ls 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Periodicals -- directories
<br/><br/><label>National Library of Medicine Call No.: </label>Z 671   /  Ul7i 1974