legislation_cosponsors: 94-hconres-700, K000302

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
94-hconres-700	K000302	Rep. Koch, Edward I. [D-NY-18]	D	NY		0