legislation_cosponsors: 103-hr-4172, H000621

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
103-hr-4172	H000621	Rep. Hilliard, Earl F. [D-AL-7]	D	AL	1994-07-12	0