H.R.12136 - A bill to amend the Federal Election Campaign Act of 1974 to establish an independent establishment of the executive branch of the Government of the United States, a commission to be known as the Federal Election Commission.94th Congress (1975-1976)
Cosponsors: H.R.12136 — 94th Congress (1975-1976)All Information (Except Text)
Congress.gov databases include cosponsorship dates (including identification of "original" cosponsors) since 1981 (97th Congress). Prior to 1981, you may be able to find some information online, but often the information is available only in print form.
Sponsor: Rep. Frenzel, Bill [R-MN-3] | Cosponsor statistics: 21 current - includes 0 original