legislation_cosponsors: 113-hr-4334, C001090

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
113-hr-4334	C001090	Rep. Cartwright, Matt [D-PA-17]	D	PA	2014-03-27	1