"Pests of ornamentals : West Virginia pest control recommendations."; "Quinn, David Oliver, 1929-"; "Plants, Ornamental--Diseases and pests--Control."; "Quinn, David Oliver, 1929-"; "undated"; "Pamphlet. \"Prepared by David O. Quinn, Extension Plant Pathologist and Entomologist.\"
"; ""; "P17340"; "pec"; "Plants, Ornamental--Diseases and pests--Control."; "14256"; .