legislation_cosponsors: 111-hres-975, J000283

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
111-hres-975	J000283	Rep. Jackson, Jesse L., Jr. [D-IL-2]	D	IL	2010-01-12	0