Wilson and Felkin, Uganda and the Egyptian Sudan, Vol. II, p. 123.
de Morgan, Recherches sur l'origine de l'Egypte, p. 239, Fig. 398.
PANTELLERIA
Orsi in Monumenti Antichi, IX, pp. 449 ff.
LAMPEDUSA
Ashby in Annals of Archæology and Anthropology, Vol. IV.
BULGARIA
Mittheilungen der anthropologischen Gesellschaft in Wien, 1888, pp. 285 ff.
L'Anthropologie, 1890, p. 110.
CRIMEA
Borlase, Dolmens of Ireland, III, p. 722.