Griffith 1913, pp. 53–5; Zyhlarz 1928, pp. 188–9; Khalil 1990, pp. 267–71
Other publications
Monneret de Villard 1935–57: 1, p. 101; Monneret de Villard 1938, pp. 117, 141; Plumley 1978, pp. 239–40; Munro-Hay 1982/3, p. 131; Browne 1989b, pp. 216–19; Browne 1998c, p. 25; Nowak – Wojciechowski 2012, p. 227 (no. 31)