legislation_cosponsors: 101-hr-3587, M000041

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
101-hr-3587	M000041	Rep. Madigan, Edward R. [R-IL-15]	R	IL	1989-11-17	0