legislation_cosponsors: 99-hconres-39, B000160

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
99-hconres-39	B000160	Rep. Barnes, Michael D. [D-MD-8]	D	MD	1985-02-28	0