legislation_cosponsors: 110-hr-6730, P000263

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-hr-6730	P000263	Rep. Peterson, John E. [R-PA-5]	R	PA	2008-07-31	1