H.R.13927 - A bill to authorize a 5-year extension of the period of temporary admission into the United Stated for certain residents of Chile who are in the United States as nonimmigrant aliens, and for other purposes.93rd Congress (1973-1974)
Cosponsors: H.R.13927 — 93rd Congress (1973-1974)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. Brown, George E., Jr. [D-CA-38] | Cosponsor statistics: 19 current - includes 0 original