legislation_cosponsors: 102-hconres-129, Z000004

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
102-hconres-129	Z000004	Rep. Zeliff, William H., Jr. [R-NH-1]	R	NH	1991-04-17	1