From the Richmond Dispatch, 8/20/1864, p.1, c. 6
Yankee Prisoners. – Thirty-odd Yankee prisoners, captured on Thursday in an engagement at White Oak swamp, were brought to this city yesterday and committed to the Libby prison. Among the number were the following officers: Captain B. P. Sloan, of company G, Second Pennsylvania; Captain M. L. Stone, company I, Second Pennsylvania; and First Lieutenant W. F. Dougherty, of company K, Second Pennsylvania regiment.