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                                   EXHIBIT 15

         LETTER IN LIEU OF CONSENT REGARDING REVIEW REPORT OF UNAUDITED
                          INTERIM FINANCIAL INFORMATION


         P. H. Glatfelter Company:

         We have made a review, in accordance with standards established by the
         American Institute of Certified Public Accountants, of the unaudited
         condensed consolidated financial statements of P. H. Glatfelter Company
         and subsidiaries for the three months ended March 31, 2000 and 1999, as
         indicated in our report dated April 18, 2000, except for Note 7 as to
         which the date is May 1, 2000; because we did not perform an audit, we
         expressed no opinion on that information.

         We are aware that our report referred to above, which is included in
         your Quarterly Report on Form 10-Q for the quarter ended March 31,
         2000, is incorporated by reference in Registration Statements Nos.
         33-25884, 33-37198, 33-49660, 33-53338, 33-54409, 33-62331, 333-12089,
         333-26587, 333-34797, 333-53977 and 333-66991 on Forms S-8.

         We are also aware that the aforementioned report, pursuant to Rule
         436(c) under the Securities Act of 1933, is not considered a part of
         the Registration Statement prepared or certified by an accountant or a
         report prepared or certified by an accountant within the meaning of
         Sections 7 and 11 of that Act.



         Deloitte & Touche LLP

         Philadelphia, Pennsylvania
         May 1, 2000


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