legislation_cosponsors: 99-hr-3048, B000971

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-3048	B000971	Rep. Bruce, Terry L. [D-IL-19]	D	IL	1985-09-05	0