legislation_cosponsors: 101-hconres-147, C000830

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
101-hconres-147	C000830	Rep. Cox, Christopher [R-CA-40]	R	CA	1989-06-08	1