"Hartford"@en . . . "Hartford H Keifer" . "H.H" . . "H. H." . . "H. H. Keifer" . . "H." . . "Hartford H. Keifer"@en . "H.H Keifer" . "H."@en . "1, 3 State of California Dept.of Food and Agriculture, Lab. Service, Sacramento; 2, 4 Systematic Ent. Lab., Beltsville Agr. Res. Center, Beltsville; 5 Ohio Agricultural Res. Development Center, Wooster." . "1986" . "H" . "Hartford Hammond" . "H. H. Keifer" . "Hartford Hammond Keifer" . "Keifer"@en . "H. H. KEIFER" . "KEIFER" . "1902" . . .