54
Strabo, 146.
55
Diodorus, v. 27.
56
Strabo, 190.
57
Strabo, 191.
58
Caesar, B. G. V. 12, pecorum magnus numerus. Utuntur aut aere aut nummis aureis aut taleis ferreis ad certum pondus examinatis pro nummo. Nascitur ibi plumbum album in mediterraneis regionibus, maritimis ferrum, sed eius exigua est copia, aere utuntur importato.
59
Caesar, B. G. II. 4.
60
W. Ridgeway, “The Greek Trade Routes to Britain” (Folklore, March 1880, p. 23).
61
Strabo, 199, leaves out tin here although he mentions it when quoting from Posidonius. The reason is that after the tin-mines of Northern Spain had been developed by Publius Crassus, Caesar’s lieutenant, the British tin trade ceased.
62
Strabo, page 201.
63
IV. 151.