Gunn, Jeffrey, Outsourcing African Labor. Kru Migratory Workers in Global Ports, Estates and Battlefields until the End of the 19th Century: Berlin/ Boston, 2021

Rösser, MichaelMichaelRösser0000-0002-7724-70662024-01-122024-01-1220232365-2136https://fis.uni-bamberg.de/handle/uniba/92698deuGunn, Jeffrey, Outsourcing African Labor. Kru Migratory Workers in Global Ports, Estates and Battlefields until the End of the 19th Century: Berlin/ Boston, 2021reviewhttps://biblioscout.net/content/99.140005/vswg202302023601.pdf