legislation_cosponsors: 98-hr-5863, K000259

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-hr-5863	K000259	Rep. Kleczka, Gerald D. [D-WI-4]	D	WI	1984-10-04	0