Tham khảo Hải quân La Mã

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WikiPedia: Hải quân La Mã http://digilander.libero.it/agenziagiornalisti/ http://www.classis-britannica.co.uk/sml/index.htm http://www.roman-empire.net/army/leg-fleet.html http://www.historynet.com/the-roman-navy-masters-o... http://www.romaeterna.org/galleria/index.html http://www.romaeterna.org/navigare.html http://www2.rgzm.de/navis/Musea/Ostia/Fiumicino_En... http://nemiship.multiservers.com/ http://www2.rgzm.de/Navis/Themes/Flotte/FleetsAndB... http://terraromana.org/navis/Forum/index.php