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  The Baobabs: Pachycauls of Africa, Madagascar and Australia - G.E. Wickens - Google Books

  https://books.google.de/books?id=Vu9ZX3NWPYIC&pg=PA26&dq=%22Louis+Henri+Poisson%22&hl=de&sa=X&ved=0ahUKEwia3oCFnfrdAhXBPOwKHbQYA

  Although Alexander von Humboldt never saw a baobab, he wrote: ‘Among organic creatures, this tree [Dracaena draco (dragon tree)] is undoubtedly, together with the Adansonia or baobab of Senegal, one of the oldest inhabitants of our planet’ (Humboldt 1852).…

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  The Baobabs: Pachycauls of Africa, Madagascar and Australia - G.E. Wickens - Google Books

  https://books.google.de/books?id=Vu9ZX3NWPYIC&pg=PA151&lpg=PA151&dq=%22gootsa%22+livingston+chapman+baobab&source=bl&ots=73N4hRc

  Although Alexander von Humboldt never saw a baobab, he wrote: ‘Among organic creatures, this tree [Dracaena draco (dragon tree)] is undoubtedly, together with the Adansonia or baobab of Senegal, one of the oldest inhabitants of our planet’ (Humboldt 1852).…

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  Mali: The Bradt Travel Guide - Ross Velton - Google Books

  http://books.google.de/books?id=W_zL8zb1Mn4C&source=gbs_book_other_versions_r&cad=7

  A Paris-based travel writer shows why the second largest country in West Africa deserves more tourist attention. The guide includes maps, colour photos, useful French and native language phrases, and websites.

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  Mali: The Bradt Travel Guide - Ross Velton, Jolijn Geels - Google Books

  http://books.google.de/books?id=DLs1WaRmXBQC

  Mali is one of the most exciting destinations in West Africa. At its heart is the River Niger which winds through vast areas of the Sahelian landscape, linking the fabled city of Timbuktu with the capital, Bamako. Travelers can explore Dogon cliff…

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