Harry S. Truman Library and Museum
The Berlin Airlift: June 27, 1948 to May 12, 1949
This site offers an abundance of information about the Berlin Airlift. Along with general information, the site includes vocabulary related to the Berlin Airlift, and follow questions about the information presented.
PBS
Pbs: American Experience: Berlin Blockade
This PBS resource has a lot of information about the Berlin Blockade that was initiated by the former U.S.S.R.