legislation_cosponsors: 100-hconres-19, B000462

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
100-hconres-19	B000462	Rep. Bilbray, James H. [D-NV-1]	D	NV	1987-05-07	0