11 fiches. Contains: - personal details ... 1908-1913 - Business 1923-1939 - Letters ... 1940-1963.

Two fiches. Contains: - Personal data, letters, equipment list 1913-1935 - Hanger: Business 1919-1922.

Photographer: Guth?. Phototype: Photo. Format: 11,0 X 8,0 Description: Married couple Ihmels sitting on chairs, in front of them 2 europ. children, standing in front of them a group of african children (in add.hang m. 859).

Photographer: Guth?. Phototype: Photo. Format: 8,3 X 10,8. Description: 2 europ. children (from Guth) under tree.

Seven fiches. Contains: - Personal, Letters and Reports, Business and Procedure Mueller v. Schindler 1906-1913.

Photographer: Guth?. Phototype: Photo. Format: 10,9 X 7,6. Description: Building made of stone, corrugated iron roof, in front crowd of people, partly europ. cl... Reference: See postcard box, No P9a (14.0 X 9.1) "Church in Madschame, East Africa. Designed by a native builder and built by natives. It holds about 3000 people" and no. P9b (13,8 X 8,9).