legislation_cosponsors: 99-hr-700, M000473

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
99-hr-700	M000473	Rep. McHugh, Matthew F. [D-NY-28]	D	NY	1985-04-02	0