S.J.Res.41 - A joint resolution to authorize the President to issue annually a proclamation designating that week in November which includes Thanksgiving Day as "National Family Week".96th Congress (1979-1980)
Cosponsors: S.J.Res.41 — 96th Congress (1979-1980)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: Sen. Burdick, Quentin N. [D-ND] | Cosponsor statistics: 28 current - includes 0 original