Items where Author is "Calder, J. A."
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Calder, J. A. (1938) Demarcation of air routes for Christmas and Hull Islands. No Publisher, uk. (Unpublished)
Calder, J. A. (1938) Strategic importance of the Pacific Islands. No Publisher, uk. (Unpublished)
Calder, J. A. (1938) Strategic importance of the Pacific Islands. No Publisher, nz. (Unpublished)
Calder, J. A. (1938) Strategic importance of the Pacific Islands. No Publisher, nz. (Unpublished)
Howard, F. and Calder, J. A. and Bigg, W. J. and Illegible (multiple authors) (1938) Internal Colonial Office minutes on the strategic importance of Pacific islands. No Publisher, uk. (Unpublished)