Federal Archives, BArch N 2306
Contains :Photographs by Dr. Zintgraff from the Photographisches Atelier Raspe, Detmold
Thormählen, JohannContains mainly :photographs of the possessions of Jantzen and Thormählen in Cameroon and Gabon
Thormählen, JohannContains: Appointments as a member of the Colonial Council, 1891, 1892, 1894Certificate for the award of the "Red Eagle Order" (fourth grade), Sept. 9, 1898Letter of the Imperial Chancellor Prince v. Bülow on the occasion of the retirement of Thormählen from the Colonial Council, Nov. 14, 1905Curriculum Vitae (written by his daughter), May 1939
Thormählen, JohannContains among others :Incomplete record of Thormählens about a meeting with Woermann, Jantzen, Thormählen, Bohlen and Bieler at Fürst von Bismarck on 25 Sept. 1884" Kamerun"; essay by Prof. Dr. F. Wohltmann, Druck, 1896 "Die Hamburger und die Erschließung des nördlichen Westafrikas", article by R. Koop in "Hamburger Fremdenblatt", 94th Vol., No. 494; 4 Nov. 1922
Thormählen, Johann'The cash book of the Jantzen & Thormählen company
'The museum of the Otto-von-Bismack Foundation contains 13 photos with reference to the company Jantzen & Thormählen. The photos