Cass, Lewis. Speech of Mr. Cass, of Michigan, delivered in the Senate of the United States, May 15, 1854, on the Subject of the Religious Rights of American Citizens Residing or Traveling in Foreign Countries. Washington: Printed at the Congressional Globe Office, 1854. 21 p.
Cass, Lewis. Remarks of Hon. Lewis Cass, of Michigan, on the Propriety of Sending a Minister to the Papal States. Delivered in the Senate of the United States, March 21, 1848. Washington: Printed at the Congressional Globe, 1848. 7 p.