legislation_cosponsors: 111-hjres-3, L000321

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-hjres-3	L000321	Rep. Linder, John [R-GA-7]	R	GA	2009-01-09	0