legislation_cosponsors: 95-sjres-15, E000018

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
95-sjres-15	E000018	Sen. Eastland, James O. [D-MS]	D			0