Dhow chasing in Zanzibar waters and on the eastern coast of Africa: narrative of five years' experiences in the suppression of the slave trade, 2026-02-15T18:50:04+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Sulivan, George Lydiard (Colonial history series, 1967)