legislation_cosponsors: 99-hr-4029, C000714

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-4029	C000714	Rep. Conyers, John, Jr. [D-MI-1]	D	MI	1986-06-04	0