legislation_cosponsors: 99-hres-37, M000117

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-hres-37	M000117	Rep. Manton, Thomas J. [D-NY-9]	D	NY	1985-02-06	1