[Archives catalogue]: Maps and plans: D - Gold Coast / Ghana: D-01: D-01.084b - Goldküste#Twi-Stationen#Teil II#1905
[Archives catalogue]: Maps and plans: D - Gold Coast / Ghana: D-01: D-01.085 - Goldküste#General- Ausschuss und Ga-Distrikt#1906
[Individuals]: Otto Schimming [Archives catalogue]: Maps and plans: D - Gold Coast / Ghana: D-01: D-01.086 - Goldküste#Tschi-Stationen#1907
[Archives catalogue]: Maps and plans: D - Gold Coast / Ghana: D-01: D-01.086 - Goldküste#Tschi-Stationen#1907
[Individuals]: Roth, G. [Archives catalogue]: Maps and plans: D - Gold Coast / Ghana: D-01: D-01.087 - Goldküste#1907
[Individuals]: A. Kirchner [Archives catalogue]: Maps and plans: D - Gold Coast / Ghana: D-01: D-01.087 - Goldküste#1907
[Archives catalogue]: Maps and plans: D - Gold Coast / Ghana: D-01: D-01.087 - Goldküste#1907
[Archives catalogue]: Maps and plans: D - Gold Coast / Ghana: D-01: D-01.089 - Goldküste#1908
[Individuals]: A. Kirchner [Archives catalogue]: Maps and plans: D - Gold Coast / Ghana: D-01: D-01.089 - Goldküste#1908
[Individuals]: Vogel, G. [Archives catalogue]: Maps and plans: D - Gold Coast / Ghana: D-01: D-01.089 - Goldküste#1908
[Archives catalogue]: Maps and plans: D - Gold Coast / Ghana: D-01: D-01.091 - I#Goldküste#1909
[Individuals]: Brendel, W. [Archives catalogue]: Maps and plans: D - Gold Coast / Ghana: D-01: D-01.091 - I#Goldküste#1909
[Individuals]: Schmid, W. [Archives catalogue]: Maps and plans: D - Gold Coast / Ghana: D-01: D-01.092 - Goldküste#Ga und Tschi Distrikt#1909
[Archives catalogue]: Maps and plans: D - Gold Coast / Ghana: D-01: D-01.094 - Goldküste#1910
[Individuals]: A. G. Basel [Archives catalogue]: Maps and plans: D - Gold Coast / Ghana: D-01: D-01.094 - Goldküste#1910
[Individuals]: Hüttinger [Archives catalogue]: Maps and plans: D - Gold Coast / Ghana: D-01: D-01.096 - Goldküste#1911
[Individuals]: Missions-Gesell.#Basel [Archives catalogue]: Maps and plans: D - Gold Coast / Ghana: D-01: D-01.096 - Goldküste#1911
[Archives catalogue]: Maps and plans: D - Gold Coast / Ghana: D-01: D-01.098 - Goldküste#1912