Government books indicate there is $33 billion in unclaimed property that sits idly waiting for its owners to claim it, The Wall Street Journal reports. Thirty-three billion dollars — that’s a lot of money — about one-fifth of the AIG bonuses, actually.

So, how do you know if you have a stash of forgotten or unclaimed assets? Now, with the glories of the Internet, websites are able to help you track your money — or a relative’s assets — that may have gone missing. Most of these Web services are free, too.

Unclaimed property can include stocks, mutual funds, bonds, dividends, uncashed checks, refunds, trust distributions, insurance payments and much more — including items in safe-deposit boxes that you may have completely forgotten … (Remember your husband’s coin collection?)

If you do discover that you have unclaimed assets, you’ll have to prove your identity. If you’re entitled to someone else’s stash, you’ll have to prove that you’re the legal heir.

To find out if a state has any of your money, visit the National Association of Unclaimed Property Administrators’ website, at unclaimed.org. From there, you can access an individual state’s records. Another free government service is Missingmoney.org, or Missingmoney.com, also from NAUPA, which is easy to use and includes records from most states.

Good luck, ladies!