legislation_cosponsors: 113-hconres-34, L000565

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-hconres-34	L000565	Rep. Loebsack, David [D-IA-2]	D	IA	2013-04-18	1