legislation_cosponsors: 97-hres-398, L000396

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
97-hres-398	L000396	Rep. Loeffler, Tom [R-TX-21]	R	TX	1982-04-29	0