The Heinz Rüther Collection

Ethiopia: 
http://www.aluka.org/heritage/collection/GEOUCT
Ghana: 
http://www.aluka.org/heritage/collection/GEOUCT
Mali: 
http://www.aluka.org/heritage/collection/GEOUCT
Mozambique: 
http://www.aluka.org/heritage/collection/GEOUCT
South Sudan: 
http://www.aluka.org/heritage/collection/GEOUCT
Sudan: 
http://www.aluka.org/heritage/collection/GEOUCT
Tanzania: 
http://www.aluka.org/heritage/collection/GEOUCT
Zimbabwe: 
http://www.aluka.org/heritage/collection/GEOUCT