. . . . "Birds of the United States, east of the Rocky Mountains; a manual for the identification of species in hand or in the bush"@en . . . "Birds of the United States east of the Rocky Mountains a manual for the identification of species in hand or in the bush" . "Birds of the United States east of the Rocky Mountains a manual for the identification of species in hand or in the bush"@en . "Birds of the United States, East of the Rocky Mountains, etc"@en . "Birds of the United States, East of the Rocky Mountains, etc" . "Birds of the United States east of the Rocky Mountains; a manual for the identification of species in hand or in the bush"@en . . . . . "Birds of the United States east of the Rocky Mountains; a manual for the identification of species in hand or in the bush" . . . . "Apgar's birds of the United States" . . . . "Oiseaux États-Unis." . .