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  1. The harmonies of nature : or, the unity of creation / by Dr. G. Hartwig.
    By: Hartwig, G.
    Publication info: New York :D. Appleton,1866.
    Contributed by: University of California Libraries (archive.org)
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  2. The polar and tropical worlds : a description of man and nature in the polar and equatorial regions of the globe /
    By: Hartwig, G. - Guernsey, Alfred H.
    Publication info: Springfield, Mass. :Published by Bill, Nichols & Company,1872, c1871.
    Contributed by: Smithsonian Libraries
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  3. The polar and tropical worlds : a description of man and nature in the polar and equatorial regions of the globe. Two volumes in one. Embracing also an account of the expeditions of all the Arctic explorers from the discovery of Iceland ... to Hall's last expedition ... together with the wonderful discoveries, and adventures of Agassiz, Livingstone, Wallace, and other distinguished travelers in the tropical countries /
    By: Hartwig, G. - Guernsey, Alfred H.
    Edition: New ed. With an account of Hall's last expedition, a summary of Arctic explorations, and new maps of the Arctic regions.
    Publication info: Springfield, Mass. :C. A. Nichols,1875, c1874.
    Contributed by: Smithsonian Libraries
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  4. The polar and tropical worlds : a popular and scientific description of man and nature in the polar and equatorial regions of the globe : embracing the combined results of all the explorations, researches and discoveries of modern times /
    By: Hartwig, G. - Guernsey, Alfred H.
    Publication info: Springfield, Mass. :C.A. Nichols ;1876.
    Contributed by: University Library, University of Illinois Urbana Champaign
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  5. The polar and tropical worlds : a description of man and nature in the polar and equatorial regions of the globe / by G. Hartwig ; edited, with additional chapters, by A. H. Guernsey.
    By: Hartwig, G. - Guernsey, Alfred H.
    Publication info: San Francisco :A. L. Bancroft,1871.
    Contributed by: University of California Libraries (archive.org)
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  6. The polar and tropical worlds : a description of man and nature in the polar and equatorial regions of the globe / by G. Hartwig ; edited, with additional chapters, by A.H. Guernsey.
    By: Hartwig, G. - Guernsey, Alfred Hudson,
    Edition: New ed. / with an account of Hall's last expedition, a summary of Arctic explorations, and new maps of the Arctic regions.
    Publication info: Guelph, Ont. :J.W. Lyon,1874.
    Contributed by: Gerstein - University of Toronto (archive.org)
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  7. The polar and tropical worlds a description of man and nature in the polar and equatorial regions of the globe : two volumes in one : embracing also an account of the expeditions of all the Arctic explorers from the discovery of Iceland, over one thousand years ago, to Hall's last expedition in the northern world, together with the wonderful discoveries and adventures of Agassiz, Livingstone, Wallace, and other distinguished travelers in the tropical countries /
    By: Hartwig, G. - Guernsey, Alfred H.
    Edition: New ed., with an account of Hall's last expedition, a summary of Arctic explorations, and new maps of the Arctic regions.
    Publication info: Guelph, Ont. :J.W. Lyon,1874.
    Contributed by: Canadiana.org (archive.org)
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  8. The polar and tropical worlds: a description of man and nature in the polar and equatorial regions of the globe. Two volumes in one.
    By: Hartwig, G. - Guernsey, Alfred H.
    Edition: New ed. With an account of Hall's last expedition, a summary of Arctic explorations, and new maps of the Arctic regions.
    Publication info: Springfield, Mass.,C.A. Nichols & Co.;1874.
    Contributed by: Internet Archive (archive.org)
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  9. The polar and tropical worlds: a description of man and nature in the polar and equatorial regions of the globe, by Dr. G. Hartwig. Edited, with additional chapters, by Dr. A. H. Guernsey.
    By: Hartwig, G. - Guernsey, Alfred H.
    Publication info: Philadelphia,Johnson & McClain,1871.
    Contributed by: NCSU Libraries (archive.org)
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  10. The polar world a popular description of man and nature in the Arctic and Antarctic regions of the globe /
    By: Hartwig, G.
    Edition: new ed.
    Publication info: London :Longmans, Green,1892.
    Contributed by: Canadiana.org (archive.org)
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  11. The polar world a popular description of man and nature in the Arctic and Antarctic regions of the globe / by G. Hartwig.
    By: Hartwig, G.
    Publication info: London :Longmans, Green,1869.
    Contributed by: Canadiana.org (archive.org)
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  12. The polar world: a popular description of man and nature in the Arctic and Antarctic regions of the globe. By Dr. G. Hartwig. With additional chapters.
    By: Hartwig, G.
    Publication info: New York,Harper & Brothers,1869.
    Contributed by: NCSU Libraries (archive.org)
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  13. The sea and its living wonders,
    By: Hartwig, G. - Humphreys, Henry Noel,
    Edition: 8. ed.
    Publication info: London,Longman, Green, & Co.1892.
    Contributed by: Cornell University Library
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  14. The sea and its living wonders; a popular account of the marvels of the deep and of the progress of maritime discovery from the earliest ages to the present time, by Dr. G. Hartwig.
    By: Hartwig, G.
    Edition: 7th ed./ with numerous woodcuts and plates.
    Publication info: London,Longmans, Green, and co.,1892.
    Contributed by: MBLWHOI Library
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  15. The tropical world: aspects of man and nature in the equatorial regions of the globe.
    By: Hartwig, G.
    Edition: New ed.
    Publication info: LondonLongmans, Green1873
    Contributed by: Gerstein - University of Toronto (archive.org)
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  16. The tropical world: a popular scientific account of the natural history of the animal and vegetable kingdoms in the equatorial regions.
    By: Hartwig, G.
    Publication info: LondonLongman, Green, Longman, Roberts, and Green1863
    Contributed by: Gerstein - University of Toronto (archive.org)
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  17. Wonders of the tropical forests, from "The tropical world".
    By: Hartwig, G.
    Publication info: London :Longmans, Green,1888.
    Contributed by: National Library Board, Singapore
    BHL Collections: BHL Singapore
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