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Ontario Ontario, Oregon Ontario, California Ontario (tàu hơi nước) Ontario, Ohio Ontario, Wisconsin Ontario, Quận Knox, Illinois Ontario, Quận Ramsey, Bắc Dakota Ostariophysi Onarion masneriTài liệu tham khảo
WikiPedia: Ontario (tàu hơi nước) http://images.maritimehistoryofthegreatlakes.ca/33... http://navalmarinearchive.com/research/pdf/in_seas... https://archive.org/details/historyofgreatla01mans... https://archive.org/details/historyofgreatla02mans... https://archive.org/details/ontariostlawrenc00onta... https://archive.org/details/sailsteamniagara00cumb...