legislation_cosponsors: 95-hconres-539, C000634

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
95-hconres-539	C000634	Rep. Collins, Cardiss [D-IL-7]	D			0