Defer Taxes - Exchange Your Savings Bonds for HH Bonds
A ten-line article talking about exchanging your E and EE bonds for HH bonds.

Don't Need A Lawyer - Series HH Bonds
Series HH bonds pay interest at a fixed rate set on the day the bond is purchased. The current rate of 4% has been in effect since March 1, 1993. When you buy an HH bond, you lock-in this rate for the first 10 years you hold the bond. Interest rates are reset on the 10th anniversary of the HH bonds' issue date. Also includes denominations of HH bonds.

Exchanging EE Bonds for HH Bonds
EE savings bonds can be converted to HH bonds in denominations of $500, $1,000, $5,000 and $10,000 any time up through the year after the original bonds reach final maturity. (Series I bonds are not eligible for exchange to HH bonds.) This page contains information on converting your bonds to HH bonds.

First Mountain Home - Description of HH Bonds
A short explanation of savings bonds, including HH Bonds. Includes a phone number to request further information.

HH Savings Bonds - From the Bureau of Public Debt Best of the Net
This page includes the current yield and interest rate for series HH savings bonds, the differences between HH bonds and other types of savings bonds, tax effects of owning or giving savings bonds, what to do in the event your bond is lost, stolen or destroyed, and how you can obtain HH savings bonds.

How to Swap Your Savings Bonds for HH Bonds
Great what-you-need-to-know article explaining the process of swapping your savings bonds for HH bonds. Written by Kimberly Lankford for Kiplinger.com.

SEC - Series HH Bonds
Information about HH bonds from the Securities and Exchange Commission. Includes several links for more information.