legislation_cosponsors: 105-s-1805, F000061

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
105-s-1805	F000061	Sen. Feingold, Russell D. [D-WI]	D	WI	1998-03-19	1