Links for Federal Legislative Materials - databases with more comprehensive coverage
Specific Legislative History document types:
Bills
Congressional Reports, Documents and Prints
Congressional Record (contains Congressional debates)
Conference Report
Federal: H.Rpt, H.Conf.Rpt=House Conference Report (may be same as for House Report)
S.Rpt=Senate Conference Report (same as for Senate Report)
example: H.Rpt 111-89
Federal: Presidential Signing Statement
WCPD=Weekly Compilation of Presidential Documents
DCPD=Daily Compilation of Presidential Documents
NY: Governor's Memorandum in Support
See Bluebook Rule 13 for citing rules.