legislation_cosponsors: 110-hr-4193, B000072

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
110-hr-4193	B000072	Rep. Baker, Richard H. [R-LA-6]	R	LA	2007-11-15	1