[421] Modestov (1907) 217; Déchelette (1908–14) ii. 529–540.
[422] Hooton (1913).
[423] Déchelette (1908–14) ii. 529–540; Modestov (1907) ch. viii.
[424] Jones (1788).
[425] Bopp (1833), (1845–50), (1866–74).
[426] Klaproth (1823).
[427] Giles (1910–11); 1922, 66.
[428] Max-Müller (1855) 29.
[429] Penka (1883, 1886).
[430] Gobineau (1853–55).