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Beiträge zur Geographie Nordamerikas
Lenz, Karl, (1976)
Heartland and hinterland : a geography of Canada
McCann, Larry D., (1982)
Transkontinentalstaaten im geografischen Vergleich : USA - Sowjetunion
Wendt, Bruno, (1978)
A social geography of Canada : essays in honour of J. Wreford Watson
Watson, James Wreford, (1988)
North America, its countries and regions
Watson, James Wreford, (1967)
A geography of Bermuda
Watson, James Wreford, (1965)