legislation_cosponsors: 101-sconres-97, D000366

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-sconres-97	D000366	Sen. Dixon, Alan J. [D-IL]	D	IL	1990-03-22	0