I wrote: Raymond Williams notes, was to go to Spain to "gather materials for newspaper articles" (op. cit., p. 316; the reference is to Collected Essays, Volume 1, p. 316).
Should be: Raymond Williams notes, was to go to Spain to "gather materials for newspaper articles" (Williams, op. cit., p. 54; the reference is to Orwell's Collected Essays, Volume 1, p. 316).