"Drones" . . "Honeybee Breeding." . . "Apis" . . "Forædling" . . "Queen bees" . . "Human anatomy." . . "Bee culture Queen rearing." . . "Bidronninger" . . . . "Breeding" . . "Bee culture Europe." . . "British Isles Bee Breeders' Association." . . "Droner" . . "Honeybees" . . "Honningbier" . . . . . . . "Breeding techniques and selection for breeding of the honeybee : an Introduction to the Rearing of Queens, the Conduct of Selection Procedures and the Operation of Mating Stations" . . . . . . . . . . . . . . . . "Breeding techniques and selection for breeding of the honeybee : an introduction to the rearing of queens, the conduct of selection procedures and the operation of mating stations"@en . "Breeding techniques and selection for breeding of the honeybee : an introduction to the rearing of queens, the conduct of selection procedures and the operation of mating stations" . . . . . . "Breeding techniques and selection for breeding of the honeybee"@en . . "Breeding techniques and selection for breeding of the honeybee" . . . . . . .