RT Journal Article SR Electronic T1 Tracing the Itineraries of Working Concepts across African History JF African Economic History JO Afr Eco His FD University of Wisconsin Press SP 235 OP 257 DO 10.3368/aeh.44.1.235 VO 44 IS 1 A1 KATHRYN M. DE LUNA YR 2016 UL https://aeh.uwpress.org/aeh.uwpress.org/content/44/1/235.abstract AB