The map is in German, so here’s a translation, starting at the top:
Title: Map of Timbuktu
Text within the map:
Sankorethe oldest part of town
Jubu
Or: the market
Jubu Kayna
Or: the small/little market
Sane Gungu
The best part of town, where the merchants of Ghadamis live.
https://en.wikipedia.org/wiki/Ghadames
Line: 1/4 geographic (German) mile
Numbers:
Dschama el Kebira [note: presumebly Djinguereber, French Djingareyber] (the great Mosque, construction started by sultan Mille [spelling, presumebly sultan Musa I)
Mosque of Sankoré
Mosque of Sidi Yahya
Home of sheik el Bakay
Market place
Home where doctor Barth lived
Aeras, the suburbs/outskrits of town