legislation_cosponsors: 98-hres-430, S000230

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
98-hres-430	S000230	Rep. Seiberling, John F. [D-OH-14]	D	OH	1984-04-03	0