Zitationen: Anonym 1865: [Waterton, C.] The Ibis: journal of the British Ornithologists' Union , London (n. s.) (1), pp. 364
Anonym 1866: [Waterton, C.] Natural. 2, B15, pp. 53
Carvalho, A. de 1918: [Waterton, C.] Revista do Museu Paulista - Sao Paulo., Sao Paulo 10, B15 10240, pp. 895-903
Hobson, R. 1866: Ch. Watertone, his home, habits etc. London