"A Contribution to the bibliography of agriculture in Virginia. "; "Cabell, Nathaniel Frances, 1807-1891.", "Swem, E. G. (Earl Gregg), 1870-1965."; "Agriculture--Virginia--Bibliography."; "Swem, E. G. (Earl Gregg), 1870-1965.", "Cabell, Nathaniel Frances, 1807-1891."; "1918"; "Journal issue. Issued as: Bulletin of the Virginia State Library, v.11:no.1/2 (1918:Jan./Apr.). "; ""; "P2001"; "pec"; "Agriculture--Virginia--Bibliography."; "14256"; .