Congress, Senate Library data source

http://clerk.house.gov/

U.S. Congress, Senate Library,
Presidential Vetoes … 1789-1968;
U.S. Congress, Calendars of the U.S. House of Representatives
and History of Legislation, annual.
For more information:
http://clerk.house.gov/
http://www.house.gov/daily/hpg.htm
referenced on dataset section Notes (#2)

Congressional Bills Vetoed: 1789 to 2007

The Statistical Abstract files are distributed by the US Census Department as Microsoft Excel files. These files have data mixed with notes and references, multiple tables per sheet, and, worst of all, the table headers are not easily matched to their rows and columns. A few files had extraneous characters in the title. These were corrected to be consistent. A few files ...
Free