legislation_cosponsors: 99-hr-1071, C000581

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-1071	C000581	Rep. Coelho, Anthony Lee [D-CA-15]	D	CA	1985-03-04	1