legislation_cosponsors: 101-hr-4850, M000736

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-4850	M000736	Rep. Miller, John R. [R-WA-1]	R	WA	1990-05-17	1