legislation_cosponsors: 97-hres-304, D000586

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
97-hres-304	D000586	Rep. Dwyer, Bernard J. [D-NJ-15]	D	NJ	1981-12-15	0