Social security amendments of 1964. Supplemental report together with individual views of the Committee on Finance on H.R. 11865 to increase benefits under the Federal old-age, survivors, and disability insurance system, to provide child's insurance benefits beyond age 18 while in school, to provide widow's benefits at age 60 on a reduced basis, to provide benefits for certain individuals not otherwise eligible at age 72, to improve the actuarial status of the trust funds, to extend coverage, and for other purposes.