Deep in my heart a lute lay hid and the bird I love the best two songs by Aylward, Florence

Bird songs by Lehmann, Liza 1862-1918

Useful birds and their protection. Containing brief descriptions of the more common and useful species of Massachusetts, with accounts of their food habits, and a chapter on the me... by Forbush, Edward Howe 1858-1929

A hand-list of the birds of the Philippine islands. by McGregor, Richard C. (Richard Crittenden), 1871-1936

II. Notes on three rare Luzon birds by McGregor, Richard Cittenden 1871-

On birds from Luzon, Mindoro, Masbate, Ticao, Cuyo, Culion, Cagayan, Sulu, and Palawan by McGregor, Richard Crittenden 1871-

Bulletins of the Philippine Museum by McGregor, Richard C.

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(viewed 26 April 2019)

Preliminary notes on the birds and mammals collected by the Menage Scientific Expedition to the Philippine Islands by Bourns, Frank S., Worcester, Dean Conant 1866-

Preliminary notes on the birds and mammals collected by the Menage Scientific Expedition to the Philippine Islands by F. S. Bourns and Dean C. Worcester. by Bourns, Frank Swift

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(viewed 17 May 2019)

A dictionary of birds by Gadow, Hans, 1855-, Lydekker, Richard, 1849-1915, Newton, Alfred, 1829-1907, Roy, Charles S. (Charles Smart), Shufeldt, Robert W. (Robert Wilson), 1850-1934