he notes how, after 1950, an avalanche of fabricated extermination literature appeared under the stamp of two organisations, so remarkably synchronised in their activities that one might well believe them to have been contrived in partnership.
Repeat this setence, but with the correct capitalization.
He notes how, after 1950, an avalanche of fabricated extermination literature appeared under the stamp of two organisations, so remarkably synchronised in their activities that one might well believe them to have been contrived in partnership.