legislation_cosponsors: 99-hr-4335, P000215

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-hr-4335	P000215	Rep. Penny, Timothy J. [D-MN-1]	D	MN	1986-03-06	1