Sources

Texas Bar Ethics Opinion 666

Primary — bar & legal-ethics

• Texas Bar Ethics Opinion 539 (April 2002), Texas Supreme Court Professional Ethics Committee. Hosted at the Texas Center for Legal Ethics opinion archive.
• Texas Bar Ethics Opinion 666 (December 2016), Texas Center for Legal Ethics.
• ABA Model Rules of Professional Conduct, Rule 1.7, current text and comments. American Bar Association, Center for Professional Responsibility.
• Texas Disciplinary Rules of Professional Conduct, Rule 1.06, conflicts of interest. Texas Bar.
• Texas Family Code § 2.401, informal (common-law) marriage.
• Texas Government Code, Chapter 81, State Bar of Texas authority.

Primary — case law

• Obergefell v. Hodges, 576 U.S. 644 (2015). Same-sex marriage nationwide.

Public-record institutional

• Texas Office of Chief Disciplinary Counsel published disciplinary opinions.
• Texas Bar member directory and grievance-committee panel rosters.
• Texas Center for Legal Ethics opinion archive.
• State-bar published rules and ethics opinions for the 50 states.

Admiralty Jurisdiction & Corporate Personhood

Primary — statute & constitutional

• U.S. Constitution, Article III, Section 2. Judicial power extending to admiralty and maritime jurisdiction.
• U.S. Constitution, Fourteenth Amendment. Due-process and equal-protection clauses.
• Federal Rules of Civil Procedure, Supplemental Rules for Admiralty or Maritime Claims and Asset Forfeiture Actions (Rules B, C, D, E).
• Uniform Commercial Code, as adopted in the various states.

Primary — case law

• Santa Clara County v. Southern Pacific Railroad Co., 118 U.S. 394 (1886). The full opinion and the Reporter’s headnote attributed to J.C. Bancroft Davis.
• Buckley v. Valeo, 424 U.S. 1 (1976). Independent expenditures as protected speech.
• Citizens United v. FEC, 558 U.S. 310 (2010). Corporate independent political spending as protected speech.

Primary — biographical / archival

• U.S. Reports volumes from the Bancroft Davis reportership era.
• Bancroft Davis biographical entries in standard reference works (Dictionary of American Biography, etc.).
• U.S. State Department archival records on Davis’s diplomatic appointments.
• Times of London archive (Davis’s correspondent period).

Secondary — legal-academic

• Legal-historical scholarship on the Santa Clara headnote and the actual textual record of corporate personhood (multiple law-review articles addressing the doctrinal foundations of corporate constitutional rights).
• Legal-academic critiques of Citizens United and the corporate-person doctrine.
• Mainstream legal-encyclopedia entries on admiralty jurisdiction, corporate personhood, and the persona / legal-fiction distinction.

Cross-cutting

• American Bar Association Center for Professional Responsibility — Model Rules archive, formal and informal opinions.
• State-bar ethics-opinion archives for the 50 states — for any 50-state survey of post-Obergefell rule revisions.
• Westlaw and HeinOnline — for legal-academic literature searches and disciplinary case-law review.

Specific URLs and inline citations are carried on the case sub-pages themselves. This index lists the source bodies. Where a source is behind a paywall (Westlaw, HeinOnline, certain trade publications), the index lists the source body but not a direct URL.