Vol. 1: George Washington & John Adams; Vol. 2: Thomas Jefferson, James Madison, James Monroe; Vol. 3: John Quincy Adams, Andrew Jackson, Martin Van Buren; Vol. 4: William Henry Harrison, John Tyler, James K. Polk, Zachary Taylor, Millard Fillmore; Vol. 5: Franklin Pierce, James Buchanan, Abraham Lincoln; Vol. 6: Andrew Johnson, Ulysses S. Grant, Rutherford B. Hayes; Vol 7: James Abram Garfield, Chester Alan Arthur, Grover Cleveland, Benjamin Harrison; Vol 8: William McKinley, Theodore Roosevelt, William Howard Taft; Vol. 9: Woodrow Wilson, Warren Gamaliel Harding, Calvin Coolidge; Vol 10: Herbert Clark Hoover, Franklin Delano Roosevelt; Vol 11: Harry S. Truman, Dwight D. Eisenhower; Vol 12: John F. Kennedy, Lyndon B. Johnson