Lewis Short
Vistŭla | Vistillus, i (noun F.m) :
* A river in Eastern Germany, the mod. Weichsel or Vistula, Mel. 3, 4, 1; Plin. 4, 12, 25, § 81; 4, 13, 27, § 97; 4, 14, 28, § 100.—Called also , , , Plin. 4, 14, 28, § 100.
Charlton T. Lewis, Charles Short, A Latin Dictionary