Levin, S <br/><br/>
The prescription sign; the crossed R.  [electronic resource] 

 -  Adler Museum bulletin  Oct 1987 
 - 45-7 p.  digital 
<br/><br/> Publication Type: Historical Article; Journal Article 
<br/><br/><label>ISSN: </label>0258-2058 
<br/><br/><label>Subjects--Topical Terms: </label><br/>History of Pharmacy<br/>History, Ancient<br/>History, Early Modern 1451-1600<br/>History, Medieval<br/>History, Modern 1601-<br/>Symbolism