National
- ABA/BNA lawyers' manual on professional conduct : current reports byCall Number: KF305.A16 (Reserve Section)Publication Date: 1984-Current reports and ethics opinions.
Also available electronically through Bloomberg Law. - Formal Ethics Opinions 1999-2013 byCall Number: KF305.A2 2013a (Reference Section)ISBN: 1627223835Publication Date: 2013Current ABA Ethics Opinions are available electronically through Lexis and Westlaw.
- ABA Ethics OpinionsAccess to the latest ethics opinions. Ethics opinions since 1984 available to members.
Kentucky
- Kentucky Bar Association Ethics OpinionsOpinions from 1962 onward.
Indiana
- Indiana State Bar Association Legal Ethics Committee Advisory OpinionsOpinions from 1961 onward.
Ohio
- Ohio Board of Professional Conduct Advisory OpinionsSearch or browse advisory opinions from 1986 onward.
Tennessee
- Board of Professional Responsibility of the Supreme Court of TennesseeSearch or browse formal and informal ethics opinions from 1980 onward.
Virginia
- Virginia State Bar Legal Ethics Opinions OnlineSummaries of opinions