H.R.4565 - A bill to amend the Immigration and Nationality Act to exclude from admission into and to deport from the United States all aliens who persecuted others on the basis of religion, race, or national origin under the direction of the Nazi government of Germany.95th Congress (1977-1978)
Cosponsors: H.R.4565 — 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. Holtzman, Elizabeth [D-NY-16] | Cosponsor statistics: 24 current - includes 0 original