From the Mississippi Department of Archives and History Governor Clark Collection. Letter from Mississippi State Geologist E. W. Hilgard at Oxford, Mississippi, to Mississippi Governor Charles Clark, reporting on the work of the state geological survey.

From the Mississippi Department of Archives and History Governor Pettus Collection. Letter from D. R. Lemman, the superintendent of the Confederate Nitre and Mining Bureau for District No. 11, to Mississippi Governor John J. Pettus, asking for an exemption for professor Eugene Hilgard, the Mississippi State Geologist.

From the Mississippi Department of Archives and History Governor Pettus Collection. Telegram from G. L. Record at Canton, Mississippi, informing Mississippi Governor John J. Pettus that there is plenty of iron at Robinson and Company, and also at Mosell's stable.

From the Mississippi Department of Archives and History Governor Pettus Collection. Legal document from James A. Martin, swearing that on October 10, 1861, he paid D. W. Davis 1870.00 dollars in war bonds.

From the Mississippi Department of Archives and History Governor Pettus Collection. Letter from Eugene W. Hilgard at Oxford, Mississippi, to Mississippi Governor John J. Pettus, requesting exemption from military service as he is the state geologist.