legislation_cosponsors: 99-hr-4593, T000326

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-hr-4593	T000326	Rep. Towns, Edolphus [D-NY-11]	D	NY	1986-04-22	0