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  <xs:element id="ck0000081061_StateStreetTargetRetirement2065FundClassIMember" abstract="true" name="StateStreetTargetRetirement2065FundClassIMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ck0000081061_StateStreetTargetRetirement2070FundClassIMember" abstract="true" name="StateStreetTargetRetirement2070FundClassIMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ck0000081061_StateStreetTargetRetirementFundClassIMember" abstract="true" name="StateStreetTargetRetirementFundClassIMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ck0000081061_T.RowePriceLargeCapGrowthTrustFundClassDMember" abstract="true" name="T.RowePriceLargeCapGrowthTrustFundClassDMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ck0000081061_T.RowePriceU.S.ValueEquityTrustFundClassBMember" abstract="true" name="T.RowePriceU.S.ValueEquityTrustFundClassBMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
