legislation_cosponsors: 113-hconres-30, S000018

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-30	S000018	Rep. Salmon, Matt [R-AZ-5]	R	AZ	2013-04-15	0