Arthur Holmes (22 September 1928). "Theory of Continental Drift: a Symposium on the Origin and Movement of Land Masses, both Inter-Continental and Intra-Continental, as proposed by Alfred Wegener". Nature. 122 (3073): 431–433. doi:10.1038/122431a0. S2CID4138562.
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Eleanor Harmon Davis (1972). "Abraham Fornander and the Sandwich Islands' Monthly Magazine lookup". Hawaiian Journal of History. Vol. 6. Hawaii Historical Society. p. 118. hdl:10524/565.
Arthur Holmes (22 September 1928). "Theory of Continental Drift: a Symposium on the Origin and Movement of Land Masses, both Inter-Continental and Intra-Continental, as proposed by Alfred Wegener". Nature. 122 (3073): 431–433. doi:10.1038/122431a0. S2CID4138562.