legislation_cosponsors: 93-hconres-560, M000635

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
93-hconres-560	M000635	Rep. Melcher, John [D-MT-2]	D			0