legislation_cosponsors: 105-hr-4271, S001143

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
105-hr-4271	S001143	Rep. Souder, Mark E. [R-IN-4]	R	IN	1998-08-06	0