Research and Analysis by Abraham M. Niessen

Coordination Between the Railroad Retirement and Social Security Systems
from Social Security Bulletin, Vol. 31 No. 9 (released September 1968)
by Abraham M. Niessen

Railroad Retirement System: Ninth Actuarial Valuation
from Social Security Bulletin, Vol. 28 No. 2 (released February 1965)
by Abraham M. Niessen

Seventh Actuarial Valuation of the Railroad Retirement System
from Social Security Bulletin, Vol. 22 No. 5 (released May 1959)
by Abraham M. Niessen

Twelfth Valuation of the Railroad Retirement System: A Summary View
from Social Security Bulletin, Vol. 36 No. 12 (released December 1973)
by Abraham M. Niessen