Africa Since 1888 (Part 2), The National Geographic Magazine Vol. 07 - 05. May 1896
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Africa, its Past and Future, Part 1, National Geographic Magazine Vol. 01 No. 2
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Africa, its Past and Future, Part 3, National Geographic Magazine Vol. 01 No. 2
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Alaska and its Mineral Resources, Coal and Lignite, The National Geographic Magazine Vol. 09 - 04. April 1898
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Alaska and its Mineral Resources, Distribution of Gold-bearing Rock Formation, The National Geographic Magazine Vol. 09 - 04. April 1898
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Alaska and its Mineral Resources, Geographical Sketch, The National Geographic Magazine Vol. 09 - 04. April 1898
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Alaska and its Mineral Resources, Geological Sketch, The National Geographic Magazine Vol. 09 - 04. April 1898
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Alaska and its Mineral Resources, Introduction, The National Geographic Magazine Vol. 09 - 04. April 1898
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