[1912] Journ. Anat. and Physiol., xxxviii, 1904, pp. 127-9.
[1913] Proc. Soc. Ant. Scot., xxxix, 1905, pp. 426, 437.
[1914] Archaeol. Cambr., 6th ser., v, 1905, p. 219.
[1915] Ib.; Proc. Aberdeen Univ. Anatom. and Physiol. Soc., 1902-4, p. 26.
[1916] Ib., p. 34. A skeleton has been found with a drinking-cup in a short cist in Caithness, which belonged to the same type (Proc. Soc. Ant. Scot., xxxix, 1905, pp. 421-4).
[1917] This view, stated independently, would leave it an open question whether they were Celts or not.
[1918] See for instance A. Pitt-Rivers (Archaeol. Journal, liv, 1897, p. 390); A. H. Keane, Man, Past and Present, p. 527; Romilly Allen (Archaeol. Cambr., 5th ser., xvii, 1900, p. 225); W. Boyd Dawkins (Vict. Hist. of ... Hampshire, i, 261); B. C. A. Windle (Vict. Hist. of ... Worcester, i, 179); G. Sergi, The Mediterranean Race, p. 243; and H. d’A. de Jubainville, Les Druides, pp. 15-6. It is useless to multiply references.
[1919] Mem. Anthr. Soc., i, 1865, p. 135.
[1920] Ib., pp. 484-5.
[1921] Ib., pp. 482-3.