legislation_cosponsors: 101-hr-4690, V000112

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-4690	V000112	Rep. Volkmer, Harold L. [D-MO-9]	D	MO	1990-10-13	0