"Treason." . . "Salem Union League." . . "Treason United States." . . "United States." . . . . . . . . . . . . . . "What is treason? a charge, addressed by Peleg Sprague, judge of the U.S. District Court for the District of Massachusetts, to the grand jury, at the March term, A.D., 1863"@en . . . . . . . . . . "What is treason? : a charge, addressed by Peleg Sprague, judge of the U.S. District Court for the District of Massachusetts, to the grand jury, at the March term, A.D., 1863" . . . . . . . . . . "United States. District Court (Massachusetts)" . .