Reisen in Ost-Afrika

Nika-English Dictionary

Vocabulary of the Galla Language

A Dictionary of the Suahili Language

Travels, Researches, and Missionary Labours, during an Eighteen Years' Residence in Eastern Africa

Outline of the Elements of the Kisuáheli Language

Reisen in Ost-afrika: Ausgeführt in den Jahren 1837-1855

Meine Größere Reisen in Ostafrika, Zweiter Theil