| American Institute of CPAs | http://aicpa.org |
| Chicago Tribune | chicagotribune.com |
| CNN (Stock Quotes) | http://money.cnn.com/ |
| Crain's Chicago Business | http://chicagobusiness.com |
| Illinois CPA Society | http://www.icpas.com |
| Illinois Department of Employment Security | http://www.ides.state.il.us/ |
| Illinois Department of Revenue | http://www.revenue.state.il.us/ |
| Information on College Savings | http://www.savingforcollege.com |
| Internal Revenue Service | http://www.irs.gov |
| MSNBC | http://www.MSNBC.com |
| Quickbooks | http://www.quickbooks.intuit.com |
| Secretary of State Illinois | http://www.cyberdriveillinois.com |
| Social Security Administration | http://www.ssa.gov |
| US Department of Commerce | http://www.commerce.gov |
| US Treasury Department | http://www.treasury.gov |
| Wall Street Journal | http://online.wsj.com |