US Government Publishing Office
U.s. Government Publishing Office: Biographical Directory of Congress
The Government has supplied a comprehensive biographical compilation of the members of Congress from 1774 to 2005. Each Congress is listed as well as alphabetical biographies.
New York Times
New York Times: Crossword Puzzle: u.s. Congress
The New York Times Learning Network has developed many interactive & printable crossword puzzles. This one is on the U.S. Congress.