Swinton, W. E. (1977). Physicians as explorers. Sir John Richardson: Immense journeys in Rupert's Land.
Dyfyniad Arddull ChicagoSwinton, W. E. Physicians As Explorers. Sir John Richardson: Immense Journeys in Rupert's Land. 1977.
Dyfyniad MLASwinton, W. E. Physicians As Explorers. Sir John Richardson: Immense Journeys in Rupert's Land. 1977.
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