E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Richborough, Richeboro, or Ratesburgh (a Roman fort in the time of Claudius),
called by Alfred of Beverley, Richberge; by the Saxons (according to Bede) Reptacester, and by others Ruptimuth; by Orosius, the port and city of Rhutubus; by Ammianus, Rhutupiæ Statio; by Antoninus, Rhitupis Portus; by Tacitus, Portus Trutulensis for Rhutupensis; by Ptolemy, Rhutupiæ (Camden.)