legislation_cosponsors: 98-sjres-50, L000428

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
98-sjres-50	L000428	Sen. Long, Russell B. [D-LA]	D	LA	1983-04-21	0