legislation_cosponsors: 97-hr-4515, G000272

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
97-hr-4515	G000272	Rep. Gonzalez, Henry B. [D-TX-20]	D	TX	1981-09-17	1