Here is a interesting guest column on NRO about the differences between the Oxford Advanced Learner’s Dictionary of Current English, by A. S. Hornby (3rd edition; 7th impression, 1977) and the Oxford Student’s Dictionary of Current English: Special Edition for the USSR by one A. S. Hornby (3rd revised and updated impression, 1981). The differences between these two editions for words like communism and capitalism are extreme.
