legislation_cosponsors: 110-hconres-376, J000285

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
110-hconres-376	J000285	Rep. Johnson, Timothy V. [R-IL-15]	R	IL	2008-06-23	1