legislation_cosponsors: 101-hr-5013, L000180

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-hr-5013	L000180	Rep. Leath, Marvin [D-TX-11]	D	TX	1990-07-10	0