Oestermann, TristanTristanOestermann0009-0001-7164-18982026-08-192026-08-19202697831122436029783112243619https://fis.uni-bamberg.de/handle/uniba/116872engBlack Rockefeller: The Life and Times of Woermann’s Kru Headman Teah Tobey, c. 1860–c. 1940bookpart10.1515/9783112243619-005https://www.degruyterbrill.com/document/doi/10.1515/9783112243619-005/pdf