Lewis and Clark law school provides a great guide to researching Oregon legislative history. https://law.lclark.edu/live/files/18620-compiling-oregon-legislative-history-2015-update…
Washington Legislative History Research
The first place to look for Washington legislative history is online, at: http://leg.wa.gov/History/Legislative/Pages/default.aspx
If you do not find what you are looking for on that site, your next step is to contact the Washington State Archives. (http://www.sos.wa.gov/archives/) The …