legislation_cosponsors: 100-sres-443, J000189

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-sres-443	J000189	Sen. Johnston, J. Bennett [D-LA]	D	LA	1988-06-16	1