Riggs National Bank of Washington, D. C. In Supreme Court of District of Columbia, affidavit and answer of William Gibbs McAdoo, Secretary of Treasury, in injunction suit of Riggs National Bank [of Washington, D. C.] v. William Gibbs McAdoo. Secretary of Treasury, John Skelton Williams, comptroller of currency, and John Burke, treasurer of United States, May 15, 1915.