Internal Revenue Code

IRS Publication 590 (Individual Retirement Arrangements) (Also Tables in Appendix C which are distribution rules) www.irs.gov/pub/irs-pdf/p590.pdf 

IRA Publication 560 (Retirement Plans for Small Business, SEP, Simple and Qualified Plans) www.irs.gov/pub/irs-pdf/p560.pdf

IRS FAQs regarding IRAs www.irs.gov/retirement/article/0,,id=111413,00.html

US Code of Federal Regulations, Title 26, Chapter 1, Section 408 (Individual Retirement Accounts, Prohibited IRA investments).  Can be found at www.irs.gov/pub/irs-tege/irc408.pdf)

US Code of Federal Regulations, Title 26, Chapter 43, Section 4975 (Prohibited Transactions) http://uscode.house.gov/download/pls/26C43.txt 

Unrelated Business Tax Income (http://www.irs.gov/charities/article/0,,id=96104,00.html)

Calculators

Mortgage and property calculators (www.bankrate.com)

Required Minimum Distribution calculator (www.bankrate.com)

Mutual fund expense calculator (http://apps.finra.org/Investor_Information/EA/1/mfetf.aspx)

More financial calculators.... (Click Here)

Internal Revenue Code Forms

Form 990-T Unrelated Business Tax Income – Exempt Organization Business Income Tax Return (www.irs.gov/pub/irs-pdf/f900t.pdf)

Form 5305-A (Traditional Individual Retirement Custodial Account)

Forms 5304-Simple and 5305-Simple – Establishment of a SIMPLE IRA (www.irs.gov/pub/irs-pdf/f5304sim.pdf;  www.irs.gov/pub/irs-pdf/f5305sim.pdf)

Related Laws and Regulations

USA Patriot Act (www.fincen.gov/hr3162)

Tax Free Exchanges, IRC Section 1031(www.cap1031.com)

Glossary/General Information

Retirement and IRA Terms Glossary (www.investopedia.com/categories/retirementplanning.asp)