"United States." . . "Birds." . . "Photography of birds." . . "Birds United States." . . . . "Bird studies with a camera : with introductory chapters on the outfit and methods of the bird photographer"@en . "Bird studies with a camera : with introductory chapters on the outfit and methods of the bird photographer" . . . . . "Bird studies with a camera with introductory chapters on the outfit and methods of the bird photographer"@en . . . . . . . . . . . . . "Bird studies with a camera; with introductory chapters on the outfit and methods of the bird photographer" . . "Bird studies with a camera - with introductory chapters on the outfit and methods of the bird ... photographer"@en . . . . .