Clarke, Powhatan. Diary, 1862-1863. 1 vol. Location: M:18. Surgeon, professor of chemistry, and aide-de-camp to Brigadier General D. M. Frost during the Civil War. Colonel David French Boyd was a captain of engineers on General Richard Taylor's staff (1863). Diary includes Clarke's round trip from Rapides Parish, Louisiana, to Camden, Arkansas. Later entries by Boyd include his military and topographical notes of the area between Sicily Island, Catahoula Parish, and Waterproof, Tensas Parish, Louisiana. Available on microfilm 5735: University Publications of America Confederate Military Manuscripts Series B, Reel 4. For further information, see online catalog. Mss. 893.