legislation_cosponsors: 111-hr-6507, P000265

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-hr-6507	P000265	Rep. Petri, Thomas E. [R-WI-6]	R	WI	2010-12-08	1