Harsall, W. (1972). Who's who in history. Basil Blackwell.
Tohutoru Kātū Chicago (17th ed.)Harsall, W.O. Who's Who in History. Oxford: Basil Blackwell, 1972.
Tohutoro MLA (9th ed.)Harsall, W.O. Who's Who in History. Basil Blackwell, 1972.
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