(1917). Chesapeake & Delaware Canal: Hearings on the subject of the purchase and improvement of the Chesapeake & Delaware Canal, held before the Committee on Rivers and Harbors, House of Representatives, Sixty-fourth Congress ... January 6, 1917. Washington: G.P.O..

Chesapeake & Delaware Canal: Hearings On the Subject of the Purchase and Improvement of the Chesapeake & Delaware Canal, Held Before the Committee On Rivers and Harbors, House of Representatives, Sixty-fourth Congress ... January 6, 1917. Washington: G.P.O., 1917.

Chesapeake & Delaware Canal: Hearings On the Subject of the Purchase and Improvement of the Chesapeake & Delaware Canal, Held Before the Committee On Rivers and Harbors, House of Representatives, Sixty-fourth Congress ... January 6, 1917. Washington: G.P.O., 1917.