legislation_cosponsors: 98-sres-414, P000222

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
98-sres-414	P000222	Sen. Percy, Charles H. [R-IL]	R	IL	1984-06-25	1