legislation_cosponsors: 99-hconres-353, M000023

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
99-hconres-353	M000023	Rep. MacKay, Buddy [D-FL-6]	D	FL	1986-06-24	0