legislation_cosponsors: 100-hconres-385, R000543

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
100-hconres-385	R000543	Rep. Russo, Martin A. [D-IL-3]	D	IL	1988-10-05	0