Correspondence (s.a. M 270), 1896-1897; correspondence, reports, diary excerpts (s.a. M 273) from 1906; Easter sermon in Hohenfriedeberg, 1914; "Vom Schulbau in Mutindili, 1914; Letters by Elfriede Kraemer (stepdaughter of Hosbach) to the Trittelvitz couple, 1912-1914; Hosbach's letters from prisoner of war in Egypt, 1917-1919; "Paulo Shempahila - Lebensbild eines einheimischen Gehilfen, 1919; 3 Songs in Swaheli (Text u. Sheet music by Martha Hosbach), 1927; Letters and reports by Martha Hosbach from 1926; "Die Schule von Kijunga von Josua Hermas, translated by Wilhelm Hosbach, 1932; Jahres-, Konferenz- u. Schulberichte von Bukoba, 1932; Gutachten zur Wasserversorgung in Kigarama, 1932; draft: "Integration of the mission into the German Protestant Church of Knak; "Neue Ordnung für die Missionsarbeiter der Bethel-Mission, 1933; "Ein Wort Dankbarer Erinnerung an Frau Künzel, 1934; Correspondenz während des 2. 1939-1949; letter from an African teacher to Wilhelm Hosbach, 1949; correspondence with the Hosbach couple at home, 1949-1961; obituary for Martha Hosbach, widowed Kraemer, née Wegener; obituary, obituary and memories of Wilhelm Hosbach, 1964

Curriculum Vitae and Testimonies, 1929; Instructions and Vows of Deputation, 1930; Correspondence (also during internment), 1929-1947; Photo by Werner Wittenberg, 1930; Certificate of Good Conduct and Medical Certificate by Werner Wittenberg, 1932; "Jubilee of the Bukoba Church on 28.07.1935; "Etwas vom Gelde im Haya-Lande, 1936; "From the work of the mission office in Bukoba, 1937; Correspondence during the stay in Queenstown in South Africa, 1947-1956; Correspondence with Hanni Wittenberg about supply matters, 1956-1965

large drawing of the church in Walvis Bay by J. C. Pingel, c. 1910; plans for the reconstruction of the mission station, by Ludwig Koch, agent of the RMG, no year; statistical questionnaire, 1946-1969; correspondence for the church in Walvis Bay, 1960; thanks to Kirchengemeinde Bielefeld for donation to the kindergarten, 1965;

In the foreground foreman Karl Stappf and Miss. Karl Suppes. Photographer: Guth?. Photo type: repro photo. Format: 17,8 X 12,9 Description: before crowd (dressed in Eurorean).

Photographer: Suppes K.. Photo type: repro photo. Format: 17.7 X 12.9.

Photographer: Suppes K.. Photo type: repro photo. Format: 13.0 X 17.8.

Photographer: Guth?. Phototype: Photo. Format: 5,5 X 5,7. Description: Church in the middle back.

Photographer: Guth?. Phototype: Photo. Format: 10,7 X 7,8. Description: Church with double grass roof, further rectangle. Building with grass roof, crowd in front of it.

Phototype: Photo. Format: 5,5 X 8,5. description: (place unknown) landscape photo with banana grove and Kilim. summit in background. Reference: flat film negative and cardboard no. 126 in negative box. See album 22, no. 39 (8.5 X 5.5) "The church is over. (Old Moschi)".

Photographer: Guth?. Phototype: Photo. Format: 10,2 X 7,9 Description: (in connection with no. 571/572, Alb. 5) Children, partly with children. Slate boards in front of buildings with roof made of plant fibres.

Farm s. RMG 2,568, Okombahe s. a. RMG 2,513 a-c, RMG 3,302 and RMG 2,530 a; annual and conference reports on Usakos mission station, by Wilhelm Emil Jakob Diehl, Heinrich Johann Brockmann and Ernst Wilhelm Römer, 1907-1937; church elders ask RMG for help with construction e. Church, 1908; Visitation Report, 1913; Report on the German Evangelical Community of Lüderitz, by C. Wandres, 1927; Reports on the German Evangelical Community of Usakos, by Heinrich Johann Brockmann and Ernst Wilhelm Römer, 1927-1937; Annual Report on Sister Work in Tsumeb, 1932

and Susanna in the meadow outside Arusha Church. Photographer: Blumer?. Phototype: Photo. Format: 9.2 X 6.9. Remark: pale.

Photographer: Mergner?. Type: Photo. Format: 5,7 X 8,5. Description: Machame? (building: stone walls, corrugated iron roof, arched windows), group of seated men, partly m. Scarves/ partly dressed europ., cap or hat, 3 boys standing. Reference: See album 14, no. 172 (6.8 X 9.5).

Photographer: Blumer?. Phototype: Photo. Format: 10,7 X 8,2. Description: standing on meadow, in the background house and church.

and two other European women on the meadow in front of the church in Arusha. Phototype: Photo. Format: 9.0 X 11.8.

Phototype: Postcard. Format: 8,6 X 13,7. Description: Church. Remark: copyright by ERKA Photo Tallinn.

as well as bell cage with african. Model figures. Phototype: Photo. Format: 16,0 X 22,0 Description: behind it building with inscription "Deutsche Kol... Deutschrum in A(frika)". Remark: Published..: Miss.Bl. 1914, Number 4, Nachr. 1914, Number 9.

Phototype: Photo. Format: 10,7 X 7,8 Description: Building with double grass roof, some people dressed europ., many wrapped in cloths. Reference: Cf. print templates sample book Vk, Neg. A89 (16.7 X 12.0) "Akeri waterfall near Nkoaranga".

Photographer: Blumer?. Phototype: Photo. Format: 10,4 X 7,9. Description: small church made of plant fibres behind the grave.

Photographer: Mrs. or Mr. Blumer?. Phototype: Photo. Format: 5,3 X 5,2. Description: front bananas. Remark: faded.

Photographer: Mergner?. Type: Photo. Format: 6,7 X 9,3. Description: View to the altar, empty.

Phototype: Photo. Format: 7,5 X 6,9. Description: in front a European man with hat, behind men with caps and sticks, shields, scarves around hip. Reference: See proofs no. 11/965 (10,5 X 6,2) "Church of Kimandolu" Comment standing: 2 originals.

(Chapel in Akeri). Photographer: Blumer?. Phototype: Photo. Format: 7,2 X 4,6. Description: 23 persons in two rows (standing / sitting), chapel made of plant fibres with arched windows. Reference: See Album 2, No. 34 (720), 31 (683), 32 (684).

Photo type: Photo (colored). Format: 8,2 X 5,5.

Photographer: Mergner?. Phototype: Postcard. Format: 13,6 X 8,5. Description: other perspective (side towards the church). Remark: on the postcard it says: My dear wife Doctor Mergner in greeting and remembrance of her Irmgard ... Photo in Madschame Jan. 1940.

Photographer: Mergner?. Type: Photo. Format: 9,8 X 6,8 Description: almost identical m. Estate of Dr. Mergner, No. 261, 269, 270, 271; church to the right.

Phototype: Photo. Format: 9.0 X 6.5. Description: double roof made of plant fibres, one group of people each on the right and left, dressed in white. Remark: Published..: Miss Bl. 1913, Number 20.

Phototype: Photo. Format: 10,2 X 8,1. Description: in the style of a Chagga house built: of grass, in the entrance group of people (dressed with europ. clothes, scarves.

Photographer: Mergner?. Type: Photo. Format: 11,6 X 8,9. Description: with further building complex.

Phototype: Photo. Format: 10,8 X 8,1. Description: seen from the foot of the hill. Reference: Plate and cardboard No 90 in negative box (1 print). See photo no. 112 (11,2 X 8,2) "On the dedication day of the Mtii Church (Miss. Michel and Guth)". Cf. single photo no. 113 (11,2 X 8,4) with marking (to cut off the photo) and retouching.

Photographer: Mergner?. Type: Photo. Format: 17,3 X 12,7. Description: Church similar to that of Machame (plastered stone walls, double corrugated iron roof), in front of it a bell-house, right small house, in front of church crowd (European clothes/cloths).

Photographer: Mrs. or Mr. Blumer?. Phototype: Photo. Format: 12,0 X 8,9. Description: Church: Bricks, roof made of plant fibres.

Photographer: Blumer?. Phototype: Photo. Format: 9,0 X 12,0. Description: in the church of Arusha. Remark: blurred.

Photographer: Blumer?. Phototype: Photo. Format: 10,7 X 8,2. Description: Group picture, about 50 children, partly in row, front sitting on grass, European clothes, simple cloth clothes; church: brick wall, roof made of plant fibres.