legislation_cosponsors: 94-sres-460, C000388

Cosponsors for tracked legislation. Distinguishes original cosponsors (signed on at introduction) from later additions. Linked to congress_members via bioguide_id.

This data as json

bill_id	bioguide_id	full_name	party	state	sponsorship_date	is_original_cosponsor
94-sres-460	C000388	Sen. Church, Frank [D-ID]	D			0