Americans for Tax Reformwww.atr.org

Beacon Hill Institute: www.beaconhill.org

Iowans for Tax Relief:: www.taxrelief.org

Iowa General Assembly: www.legis.state.ia.us

Iowa Department of Revenue and Finance: www.state.ia.us/tax/index.html

Iowa Legislative Fiscal Bureau: http://staffweb.legis.state.ia.us/lfb/

Public Interest Institute: www.limitedgovernment.org