legislation_cosponsors: 100-hr-4904, G000371

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-hr-4904	G000371	Rep. Grandy, Fred [R-IA-6]	R	IA	1988-07-14	0