1864-1945, Chapman, Frank M. (Frank Michler); 1875-1939, Heller, Edmund; 1865-1946, Cherrie, George Kruck; ornithologist, Watkins, Harry; 1887-1952, Miller, Leo E. (Leo Edward); S., Boyle, Howarth (1919). «Descriptions of proposed new birds from Peru, Bolivia, Argentina and Chile.». Bulletin of the AMNH(en inglés estadounidense). v. 41, article 5.