legislation_cosponsors: 99-hr-4142, S000081

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-4142	S000081	Rep. Savage, Gus [D-IL-2]	D	IL	1986-08-01	0