1898. Notes on the American three-toed woodpecker (Picoides americanus). Osprey, vol. 2, pp. 73-76.

1902. Birds of the Cape region of Lower California. Bull. Mus. Comp. Zool., vol. 41, pp. 1-241.

1906. Birds of the Cambridge region. Mem. Nuttall Orn. Club, no. 4.

1909. Eggs of the flicker (Colaptes auratus luteus) found in an odd place. Bird-Lore, vol. 11, pp. 73-74.

1936. October Farm.

1937. Concord River.

Brooks, Maurice.

1934. Some traits of the northern pileated woodpecker. Bird-Lore, vol. 36, pp. 347-351.

Brown, Herbert.

1902. Unusual abundance of Lewis’s woodpecker near Tucson, Arizona, in 1884. Auk, vol. 19, pp. 80-83.