Answer

Bonds represent debt obligations and are often referred to as fixed-income securities. Bonds are used by companies, municipalities, states and sovereign governments to raise money and finance a variety of projects and activities. Owners of bonds are debt holders, or creditors, of the issuer.
 

Go to the Business Library's Company & Financial Information section for links to useful resources including a link to the following suggested resource.

Mergent Bond Viewer: Provides Moody's bond data on municipals, corporate bonds, government bonds, international bonds, convertibles, and various short-term instruments. Includes charts for rating revisions, maturities, and redemptions. It includes ratings and ratings history from Moody’s, Standard & Poor’s and Fitch.   
 

Standard and Poor’s NetAdvantage: Provides screening tools and profiles of bonds. Click on Companies and then either use the Bond Screener on the left OR under Select Publications choose Bond Reports. 

You may want to consult the NYU guide to Finance: Stocks and Bonds.

You may also want to consult the following: 

The SEC provides a basics guide on Bonds with links to useful bond data.