History of Africa. 19th century. 'Kruboy' rowing. The name of Kruboy was given to the freed natives of all the tribes of Central Africa of the Kroo Coast (Cape Palms), hired for a determined time rendering good services in the stations and factories. Engraving by Meyer. El Congo y la Creacion del Estado Independiente de este nombre. Historia de los Trabajos y Exploraciones Verificados (The Congo and the Founding of its Free State. A Story of Work and Exploration), by Henry M. Stanley. Edited in Barcelona, ca. 1890. Spain.