legislation_cosponsors: 93-hr-12973, B000918

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
93-hr-12973	B000918	Rep. Brown, George E., Jr. [D-CA-38]	D	CA		0