Before revision: The official mind is extensivily written about in Ronald Robinson's extraordinarily influential work, Africa and the Victorians: The Official Mind of Imperialism, was co-authored with John Gallagher and Alice Denny and first published in 1961.
After revision: The official mind is extensively written about in Ronald Robinson's extraordinarily influential work, Africa and the Victorians: The Official Mind of Imperialism, was co-authored with John Gallagher and Alice Denny and first published in 1961.