Papers and publications relating to Philip Allison's research into art and antiquities in Nigeria comprising: 'The First Travelling Commissioners of the Ekiti Country'. Typescript article by Allison, n.d. [c. 1950], with manuscript amendments, background notes and detailed map of the Abeokuta Group. Correspondence and papers, 1944-1990, relating to the Yoruba sculptor, Olowe of Ise (d.…