Vols. 1-24 have title: Official opinions of the attorneys general of the United States, advising the President and heads of departments, in relation to their official duties; and expounding the Constitution, subsisting treaties with foreign governments and with Indian tribes, and the public laws of the country.

Vol. 5, with imprint dated 1852, covers the period July 17, 1848-March 3, 1853. "The foregoing opinions were originally published in a separate volume, as volume v of the series, and edited by Mr. Hall. The remaining opinions [Oct. 8, 1851-Mar. 3, 1853] published in the present volume, are edited by C.C. Andrews." - Notes, v. 5, p. 399.

Editors: v. 1-4, B.F. Hall. - v. 5, B.F. Hall, C.C. Andrews. - v. 6-8, C.C. Andrews. - v. 9-12, J.H. Ashton. - v. 13-19, A.J. Bentley. - v. 20, E. A. Hibbard. - v. 21-22, E.C. Brandenburg. - v. 23-26, J.L. Lott, J.A. Finch. - v. 27, J.A. Finch. - v. 18, J.A. Finch, George Kearney. - v. 19- George Kearney.