The metadata below describe the original scanning. Follow the "All Files: HTTP" link in the "View the book" box to the left to find XML files that contain more metadata about the original images and the derived formats (OCR results, PDF etc.). See also the
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"Reprints from the National geographic magazine."
"Birds of town and country," by H. W. Henshaw. May, 1914.--"Fifty common birds of farm and orchard," by H. W. Henshaw. June, 1913.--"Encouraging birds around the home," by F. H. Kennard. March, 1914.--"Our greatest travelers: birds that fly from Pole to Pole; birds that make 2,500 miles in a single flight," by W. W. Cooke. April, 1911