Testimony on Theological Examination, 1888; Engagement Notice, 1888; Equipment List for Africa and Newspaper Report on the Farewell at the Port, 1888; Correspondence and Diary Excerpts, 1888-1895; Reports on "Rekognoszierungsreise behufs Anlegung einer neuen Station (Tanga), 1889; "Bilder aus Tanga, 1890; "Which difficulties oppose an emigration to East Africa? (Lecture), 1893; Report on the death of A. Kraemer in Egypt, 1896; Correspondence with Martha Kraemer, née Wegener, 1896-1901

free addition to Liebigs Fleisch-Extract; Series: Kanalbauten1. The Panama Canal2. The Emperor's Canal near Hangtschou (China)3. Suez Canal - entry into the canal with Port Said4. Dortmund-Emskanal (The Henrichenburg lift)5. North Holland Canal6. Nord-Ostseekanal - Schleuse bei HaltenauThe famous Liebig collectible pictures were widely distributed in Germany between 1872 and 1940, a total of 1138 series with six pictures each as a rule. As a promotional gift they were added to the "Liebig's Fleisch-Extract", a luxury product that before the First World War was only affordable for wealthy circles. The pictures, produced in elaborate print quality, are a testimony to the way of thinking and perception of the last and penultimate century that has hardly been evaluated to date - to ideas of European and non-European history, the world of work, the colonies, family and gender orders, and many other areas of bourgeois culture.