West's Revised Code of Washington Annotated: Currently updated edition held by Geo. Wash. U. Law Library. Accessible to Georgetown Law students under reciprocal collection program or via Interlibrary Loan.
Annotated Revised Code of Washington (Lexis): Currently updated edition held by Library of Congress. See that library's policies prior to visiting. Georgetown Law students may request a copy of a code section via Interlibrary Loan.
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 in Statutes and Legislation.
In Bloomberg Law, text of enacted legislation may be found through State Laws & Regulations > Legislative > Session Laws or Acts.
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).