Darin: Membership Directory, 1883.
Contains: Duplicated, partly printed minutes of board meetings, invitations, agendas and individual correspondences (amendment of articles 1885).
Contains: Correspondence concerning planning and financing (e.g. creation of an expedition fund) as well as follow-up (e.g. operation of the order award to the patron Hugo von Gahlen, owner of factory and manor); scientific expert's opinion: drawn map of Central Africa; reports on the expedition in the "Tägliche Rundschau" (mainly parts of the travel report "Ins Innerste Afrikas", 1908, written by Adolf Friedrich himself).
Contains: 1. reports of the district governor of Usambara, Major Krenzler, 1891; 2. letter of Major H. Wißmann, 1891-1892; 3. letter of J. Rindermann to the secretariat of the German Colonial Society, 1897.
Contains: 1st colony Dona Franziska in Brazil, 1897; 2nd liberation of Carl Neufeld, captured in Sudan, 1898; 3rd offer for sale of files from the time of the foundation of the German Colonial Society by Richard Jakob, 1898-1899; 4th promotion of the German settlement in Palestine (Prince Carl von Urach), 1899; 5th liberation of Carl Neufeld, captured in Sudan, 1898; 4th promotion of the German settlement in Palestine (Prince Carl von Urach), 1899; 5th liberation of Carl Neufeld, captured in Sudan, 1898. South West African Shepherding Society (former Minister of State v. Hofmann), 1901; 6th Railway Construction Project Porto Alegre-Pelotas (Carl Bolle), 1901; 7th Safata Samoa Society, 1903; 8th Evangelical Africa Society, 1903; 9th Fazenda do Baranco Branco in Matto Grosso, Brazil, 1908.
Contains: 1. individual correspondence on Brazilian affairs, 1884-1891; 2. information trip by Professor Keller-Lenzingen, Stuttgart, to Brazil on behalf of the Colonial Society to examine the conditions of settlement; reports by Professor Keller; letters of recommendation for the Nuncio in Brazil and the Emperor of Brazil from Cardinal Gustav zu Hohenlohe-Schillingsfürst; requests from Keller for assistance in finding a suitable position or for use in the service of the Colonial Society, 1885-1887; 3. information trip by Professor Keller-Lenzingen, Stuttgart, to Brazil on behalf of the Colonial Society to examine the conditions of settlement; 4. letters of recommendation for the Nuncio in Brazil and the Emperor of Brazil from Cardinal Gustav zu Hohenlohe-Schillingsfürst; requests from Keller for assistance in finding a suitable position or for use in the service of the Colonial Society, 1885-1887; 4. Reports by Jorge Jenckner on the journey undertaken in part with Keller-Lenzingen, 1886-1887; 4th exploratory journey by Dr. Hermann Soyaux to Brazil, 1885-1887; 5th exploration trip by Dr. Hermann Soyaux to Brazil, 1885-1887. Correspondence with the half-brother of the Emperor of Brazil Baron de Capanéma, director of the Brazilian Telegraph Company, about possible land assignments of the Brazilian government to the Kolonialverein, 1885-1887; 6th foundation of a company for German settlement in South America "Herman", 1886-1894.
Includes: 1. project to establish a land acquisition company in Mexico, 1889-1890; 2. project of a German colony in the Mexican province of Chihuahua, 1893-1894.
Contains: 1. letter to Count Hatzfeld about the foundation of a South American trading company, 1883; 2. foundation of a South American colonization company by Prof. Ernst Hesse, Leipzig, 1883,1887; 3. project of the foundation of a colony New Germany by Dr. Bernhard Förster in Paraguay; suicide of Förster, 1883, 1885-1889; 4. letter of the German ambassador in Brazil, Holleben, about the conditions in Paraguay, 1884-1886.
Contains: 1st plan of a planting and trading company for the Bismarck archipelago; 2nd transmission of South Sea curiosities to Langenburg; 3rd Reichstag printed matter 210 on the Samoa question; 4th questions on the situation in New Guinea.
Darin: Kolonialzeitung; Afrika, Monatsschrift für die morliche und soziale Entwicklung der deutschen Schutzgebiete; minutes of meetings of the Deutsche Kolonialgesellschaft and others.
Darin: 1. statute of the association for trade, commerce and agriculture in Palestine, 1884; 2. photograph of the entertainment of the music band of the ship "Moltke" on the Württemberg colony Haifa, 1896.
Expedition zur Unterstützung Emin Paschas, Verwendung der zu diesem Zweck gesammelten Gelder u.a..
mit Richard Jakob, Berlin; Graf Stolberg-Wernigerode; Otto von Tettenborn, Oberst z.D., Dresden; Paul Zilling, Stuttgart; Prof. H. Wagner, Göttingen; Prof. Ratzel, München; Richard Lesser, Berlin (Deutsche Kolonialzeitung); Livonius, Vizeadmiral a.D.; Graf Hatzfeld-Trachenberg; Dr. M. Lindemann, Bremen; Graf Behr-Bandelin; Admiral von Werner; Achter Deutscher Geographentag-Freiherr von Richthofen; Fürst zu Wied-Neuwied; Prof. W. Detmer, Jena; G. Schweinfurth; R. v. Bennigsen, Hannover u.a..
mit A. Fischer, Frankfurt (1886-1887); mit R. von Koenneritz, Australien (1887-1895); mit Dr. O. Finch, Ehrenmitglied des Kolonialvereins (1887-1890); mit A. Sachse (1889-1894).
Darin: 3 photographs of the school in Tanga, 1894.