Ryberg, Inez Scott (1931). "Was the Capitoline Triad Etruscan or Italic?". The American Journal of Philology. 52 (2): 145–156. doi:10.2307/290109. JSTOR290109.
Ryberg, Inez Scott (1931). "Was the Capitoline Triad Etruscan or Italic?". The American Journal of Philology. 52 (2): 145–156. doi:10.2307/290109. JSTOR290109.