Merk 1950, p. 538. Merk, Frederick (1950), "The Ghost River Caledonia in the Oregon Negotiation of 1818", The American Historical Review, 50 (3), Oxford: Oxford University Press: 530–551, doi:10.2307/1843497, JSTOR1843497
Merk 1950, pp. 538–539. Merk, Frederick (1950), "The Ghost River Caledonia in the Oregon Negotiation of 1818", The American Historical Review, 50 (3), Oxford: Oxford University Press: 530–551, doi:10.2307/1843497, JSTOR1843497
Merk 1950, p. 539. Merk, Frederick (1950), "The Ghost River Caledonia in the Oregon Negotiation of 1818", The American Historical Review, 50 (3), Oxford: Oxford University Press: 530–551, doi:10.2307/1843497, JSTOR1843497
Merk 1950, p. 538. Merk, Frederick (1950), "The Ghost River Caledonia in the Oregon Negotiation of 1818", The American Historical Review, 50 (3), Oxford: Oxford University Press: 530–551, doi:10.2307/1843497, JSTOR1843497
Merk 1950, pp. 538–539. Merk, Frederick (1950), "The Ghost River Caledonia in the Oregon Negotiation of 1818", The American Historical Review, 50 (3), Oxford: Oxford University Press: 530–551, doi:10.2307/1843497, JSTOR1843497
Merk 1950, p. 539. Merk, Frederick (1950), "The Ghost River Caledonia in the Oregon Negotiation of 1818", The American Historical Review, 50 (3), Oxford: Oxford University Press: 530–551, doi:10.2307/1843497, JSTOR1843497
Meany 1914, p. 221. Meany, Edmond S. (1914), "Three Diplomats Prominent in the Oregon Question", The Washington Historical Quarterly, 5 (3): 207–214, JSTOR40474377