Kirkwood, K. (1951). The proposed federation of the Central African territories: By Kenneth Kirkwood. South African Institute of Race Relations.

Kirkwood, Kenneth. The Proposed Federation of the Central African Territories: By Kenneth Kirkwood. Johannesburg: South African Institute of Race Relations, 1951.

Kirkwood, Kenneth. The Proposed Federation of the Central African Territories: By Kenneth Kirkwood. South African Institute of Race Relations, 1951.