legislation_cosponsors: 113-hr-4976, L000569

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-4976	L000569	Rep. Luetkemeyer, Blaine [R-MO-3]	R	MO	2014-06-26	1