- The work may be accessed from within the univerity's local network onlyGand : Buyck, 1895
- Berlin : Kommissionsverlag Dietrich Reimer (Ernst Vohsen), [1903]
- St. Ottilien : St. Benediktus-Missionsgenossenschaft, 1899
- Berlin : Reimer, [1903]
- The work may be accessed from within the univerity's local network only
- The work may be accessed from within the univerity's local network onlyHamburg
- The work may be accessed from within the univerity's local network only(1900)
- The work may be accessed from within the univerity's local network only(1900)
- The work may be accessed from within the univerity's local network only(1900)
- The work may be accessed from within the univerity's local network onlyLeipzig : Evang.-Luth. Mission, 1902
- The work may be accessed from within the univerity's local network only[1906]
- The work may be accessed from within the univerity's local network onlyBerlin : Oldenbourg, 1908
- Münster i. W. : Kreuz und Charitas, 1906
- Münster i. W. : Verl. von "Kreuz und Schwert", 1898
- Swakopmund : Swakopmunder Buchh., 1911
- Wuga, Usambara : Missonsdruckerei, 1914