legislation_cosponsors: 101-hres-239, F000053

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
101-hres-239	F000053	Rep. Fazio, Vic [D-CA-4]	D	CA	1989-09-18	1