supported by Ronald Reagan Research Note #12 Taxation of Social Security Benefits http://www.ssa.gov/history/taxationofbenefits.html History of Taxation of Social Security Research Notes & Special Studies by the Historian's Office raised taxes on social security benefits http://www.ssa.gov/history/taxationofbenefits.html History of Taxation of Social Security Research Note #12 http://www.ssa.gov/history/taxationofbenefits.html Research Note #12 Research Note #12 http://www.ssa.gov/history/taxationofbenefits.html History of Taxation of Social Security History of Taxation of Social Security http://www.ssa.gov/history/taxationofbenefits.html http://www.ssa.gov/history/taxationofbenefits.html History of Taxation of Social Security supported by Ronald Reagan Taxation of Social Security Benefits source http://www.ssa.gov/history/taxationofbenefits.html history supported by Ronald Reagan "Research Notes & Special Studies by the Historian's Office" History of Taxation of Social Security Research Notes & Special Studies by the Historian's Office make 85 percent of Social Security benefits taxable benefits had been subject to federal income tax since 1983 raised taxes on social security benefits /research Note #12: Taxation of Social Security Benefits www.ssa.gov/history/taxationofbenefits.html