Charlton T. Lewis, Charles Short, A Latin Dictionary, saxum
B. Saxum sacrum, the sacred rock on the Aventine, at which Remus consulted the auspices, Cic. Dom. 53, 136; "called saxum alone ...
P. Vergilius Maro, Aeneid, Book 4, line 630
Sacra Iovi Stygio, quae rite incepta paravi,. perficere est animus, finemque imponere curis,. 640Dardaniique rogum capitis ...
Titus Livius (Livy), The History of Rome, Book 1, chapter 20, section 2
2] sed quia in ciuitate bellicosa plures Romuli quam Numae similes reges putabat fore iturosque ipsos ad bella, ne sacra regiae ...