H.R.7305 - A bill to require the President to notify the Congress whenever he impounds funds, or authorizes the impounding of funds, and to provide a procedure under which the House of Representatives and the Senate may disapprove the President's action and require him to cease such impounding.93rd Congress (1973-1974)
Cosponsors: H.R.7305 — 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. Blatnik, John Anton [D-MN-8] | Cosponsor statistics: 0 current - includes 0 original