In Westlaw, see also state legislative history, statutes annotated - historical, bill tracking, bill tracking historical, and proposed & enacted legislation.
In Lexis, full-text bills, advance legislative service, and legislative bill history may be found in Statutes and Legislation. It also offers an Archived Code Search.
In Bloomberg Law, text of enacted legislation may be found through State Laws & Regulations.
LLMC Digital may contain digitized historical senate and house journals as well as historical state statutes and/or session laws (Online Services > Browse Collections > U.S. States and Territories > State Name > Legislative).
State Legislative Sourcebook (in print, Call Number: Reference Desk JK2495 .S689), though ceased in 2021, is a 50-state guide on legislative information resources. In addition to providing the location of a state's legislative documents, it also includes sources for tracking services, document mailing services and best live person initial contact.
National Conference of State Legislatures (NCSL) Research Tools: Legislation Databases and the Bill Information Service includes a 50 state bill tracking database which contains summaries and analysis of bills on a variety of issues. NCSL Research Tools additionally provide to members a Bill Information Service to search all state, Washington D.C. and territories legislation.