National geographic

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  Año 1986, Vol. 170, Número 6

  • A long last look at Titanic

    Robert D. Ballard

    págs. 698-727

    

  • Westminster: the palace that became parliament

    Patrick Cormack

    págs. 728-757

    

  • Halley's comet '86: much more than met the eye

    Rick Gore

    págs. 758-785

    

  • Ghosts on the little Bighorn: custer and the warriors of the plains

    Robert Paul Jordan

    págs. 787-813

    

  • Tsetse: fly of the deadly sleep

    Georg Gerster

    págs. 814-832