legislation_cosponsors: 113-hr-3133, B001273

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-3133	B001273	Rep. Black, Diane [R-TN-6]	R	TN	2013-09-19	1