legislation_cosponsors: 93-hres-648, R000134

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
93-hres-648	R000134	Rep. Rees, Thomas M. [D-CA-26]	D			0