Arab nationalism in the Near East, by J. H. Breasted, Jr.,
The rise of the Negro in Africa, by F. J. Klingberg.
The struggle for oil in the Near East, by L. C. Uren.
Sea power and the struggle for Africa, by L. B. Loeb.
The military struggle for Africa, by H. A. Steiner.
The diplomatic struggle for Africa, by M. W. Graham.