Sidney __, British spy in Moscow during the Russian civil war

Let's find possible answers to "Sidney __, British spy in Moscow during the Russian civil war" crossword clue. First of all, we will look for a few extra hints for this entry: Sidney __, British spy in Moscow during the Russian civil war. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.