National geographic

• 

  Año 1970, Vol. 137, Número 5

  • Yugoslavia: six republics in one

    Robert Paul Jordan

    págs. 589-633

    

  • Businessman in the bush

    Frederick Kent Truslow

    págs. 634-675

    

  • Scotland's outer hebrides: isles on the edge of the sea

    Kenneth MacLeish

    págs. 676-711

    

  • In search of man's past at lake Rudolf

    Richard E. Leakey

    págs. 712-732

    

  • Vacationland U.S.A.

    Melville Bell Grosvenor

    págs. 734-740