Kleingrothe, Carl Josef (1864-1942). Portfolio with 51 Photogravures of Sumatra, Showing Tobacco and Coffee Industries (Tobacco Plantations of the Deli Company, Arendsburg Tobacco Company, and Others; Fermentations Sheds; Workers Receiving and Sorting Tobacco; Coffee Plantations), the City of Medan (Harbors and Railway Stations, the District of Kesawan, the Sultan’s Palace, Streets), Portraits of Sultans (Deli, Serdang, Siak, Assahan, and Langkat), Portraits of Indonesians (Batak Chief, Batak Women, Klingalese People, Javanese People, Malay People), etc. Ca. 1898.