Source

Federal Trade Commission and, thereafter

1 dataset

http://www.census.gov/econhelp/qfr/

Through 1981, U.S. Federal Trade Commission and, thereafter,
U.S. Census Bureau, Quarterly Financial Report for
Manufacturing, Mining and Trade Corporations.
INTERNET LINK
http://www.census.gov/econhelp/qfr/
referenced on dataset section Data (#1)