Scope and Contents note From the Sub-Series: Prior service records, including correspondence, group insurance enrollment forms/waivers, questionnaires, and work records, probably for employees who did not qualify or were not yet eligible for retirement pensions. Some files also contain form letters opposing the 1958 discontinuance of the company's Group Insurance Plan, which was underwritten by the Prudential Insurance Co. of America.Personnel records less than fifty years old open for research with the user's written...