Edward Douglass White, Wright v. United States (158 U.S. 232…
“ Without expressing an opinion as to the necessity of issuing a regular commission to a deputy marshal, or as to the authority of the clerk of the district court to administer the oath to such officer, it is clear that, on proof of the loss of the written authority issued by the marshal to a deputy whom he had appointed, it was permissible to offer oral evidence of the fact of appointment and of the services of the deputy. ”
