EXHIBIT 16 RICHARD A. EISNER & COMPANY, LLP October 2, 1995 Securities and Exchange Commission 450 Fifth Street, N.W. Washington, DC 20549 Re: Pharmaceutical Resources, Inc. Ladies and Gentlemen: We have read a copy of the Form 8-K dated September 8, 1995, filed by the above named Registrant. We are in agreement with the references to us in Item 4(a) thereof. Very truly yours, /s/Richard A. Eisner & Company, LLP Page 6 of 6 Pages