H.R.9665 - A bill to carry out the principles of the Helsinki Final Act pertaining to freedom of travel and emigration, by providing that aliens who are associated with certain political organizations or who advocate certain political beliefs shall not be ineligible to receive visas and excluded from admission into the United States, or deported from the United States, because of such association or beliefs.95th Congress (1977-1978)
Cosponsors: H.R.9665 — 95th Congress (1977-1978)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. Drinan, Robert F. [D-MA-4] | Cosponsor statistics: 21 current - includes 0 original