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                                                                      Exhibit 19


              Schedule of certain documents substantially
              identical to filed documents with parties thereto
              and other material differing details

19.a   Parties to Restricted Share Agreement in substantially the form set
       forth in Exhibit 10.w to Form-K for the fiscal year ended December 31,
       1997:

                        Paul R. D'Aloia
                        Thomas A. Frederick
                        Carol A. Gebhart
                        Don R. Graber
                        Timothy G. Howard
                        Nancy A. Michaud
                        Christopher W. Snyder
                        John M. Stoner
                        I. Edward Tonkon II