Index to the executive communications made to the House of Representatives from December 3d, 1817, to March 3d, 1823, 15th, 16th, & 17th Congress: First, by a reference, in alphabetical order, to the report, by the subject-matter thereof -- Second, by a reference to the same matter, arranged under the head of the Department whence it came; to which is added, a reference to all other documents printed during the same period, by order of the House, and not of a character with the foregoing, under the head "Miscellaneous."